单词：stem
vt. 摘掉茎, 装柄于, 阻止, 堵住, 逆行
vi. 堵住, 逆行
v. grow out of, have roots in, originate in
v. cause to point inward
v. stop the flow of a liquid
考试类型：[四级/六级/考研/托福/IELTS/GRE]
stem的用法和样例：
例句
- Don't eat the stem of a mushroom.不要吃蘑菇的梗。
- This is a plant stem that has been pithed.这是一根已经除去木髓的植物的茎。
- Crime and punishment grow out of one stem.罪与罚本是同茎生。
- She bought some roses with long stems.她买了一些枝干很长的玫瑰花。
- The liner has been refitted from stem to stern.那艘班轮已经全面整修。
- Your errors stem all from your carelessness.你犯的错误全都是由于你的粗心。
- Our ship stemmed on against the current.我们的船逆流而上。
常见句型
- The stem of the mushroom is broken.这只蘑菇的梗折断了。
- The stem supports the branches.树干支持着树枝。
- “Uni-” is the stem of “unity”.uni-是unity的词干。
- You must stem the flow of blood from the wound.你必须阻止伤口流血。
- The small boat could not stem the rushing tide.这艘小船顶不住汹涌奔腾的潮水。
常用短语
- 从船头到船尾; 彻底from the front to the back (especially of a ship)
- 来自,起源于; 由…造成arise from sth; have sth as its origin or causestem from sth
The present wave of strikes stems from discontent among the lower-paid.
当前的罢工浪潮起因于低工资雇员的不满情绪。
Her interest in flowers stems from her childhood in the country.
她对花卉的兴趣产生于她在乡下度过的童年时代。
词汇搭配
- verb stem动词词干
- on a stem在茎上
- a stem of a flower花梗
- stem a stream堵住溪水
- stem the spread制止蔓延
经典引文
Flowers were out, tall stems with pink bells hanging from them.
出自：B. VineThey on the..Flood..Ply stemming nightly toward the Pole.
出自：Milton
- stalk茎
- trunk树干
- shoot发射
- branch分部
- staunch坚定的
- stop停止
- halt停止
- restrict限制
- curtail缩减
- twig小枝
- lessen减少
- decrease减少
- slow慢的
- cut off切断
- shank长柄
- cane手杖
- quill羽茎
- leafstalk[植]叶柄
- bine蔓
- rootlet小根
- arm臂
- leg腿
- neck颈
- support支持
- stay停留
- mainstay主要支持
- staff员工
- shaft柄
- spike长钉
- rod杆
- bar酒吧
- peg钉
- pin别针（大头针）...
- thill辕
- link联系
- connector连接头
- petiole叶柄
- pedicel[植]花梗
- spindle纺锤
- swivel转换仪器
- pilot飞行员
- axle轮轴
- winder缠绕者
- Turner铁匠
- turnbuckle螺丝扣
- screw螺钉
- handle处理
- holder持有者
- stock存货
- strain拉紧
- line线
- lineage家系
- bloodline血统
- blood血
- race赛跑
- genealogy家系
- pedigree家谱
- family tree系谱
- ancestry祖先
- parentage出身
- family家庭
- prow(飞机)机头
- tribe部落
- base底部
- people人
- clan氏族
- root word词根
- rise上升
- origin起源
- birth分娩
- stem turn半犁式转弯, 停滑转动...
- background背景
- bow弓
- extraction抽出
- fore在前的
- descent下降
- arrest逮捕
- stall栅栏
- stanch 止住
- terminate结束
- theme主题
- radical激进的
- end结束
- quash镇压
- quell压制
- check检查
- curb路边
- control掌控
- limit限度
- circumscribe限制
- contain容纳
- enjoin命令
- restrain抑制
- hold back阻碍
- repress抑制
- constrain强迫
- suppress镇压
- hold in压住
- retard妨碍
- diminish减少
- root根
- reduce减少
- abridge删节
- cut short中断
- slow down减速
- dam水坝
- plug塞子
- bung木塞
- cork软木塞
- spile木栓
- tamp夯实
- stuff东西
- fill up装满(填写
- pack一群
- shut off关掉
- seal封条
- block街区
- obstruct阻隔
- jam up筛眼堵塞
- choke窒息
- prevent预防
- hinder阻碍
- hamper妨碍
- inhibit抑制
- oppilate闭塞(阻止)
- impede妨碍
- handicap障碍
- arise出现
- spring春天
- issue议题
- emanate散发
- flow流动
- come来
- proceed继续进行
- sprout长芽
- bud芽
- grow增加
- evolve(使)逐步形成...
- develop发展
- burgeon发芽
- germinate发芽
- originate发起
- start开始
- commence开始
- begin开始
- descend下降
- derive获取
- follow跟随
- ensue跟着发生
- result结果
- breast乳房
- push through促成
- advance against朝 ... 前进
- surmount克服
- confront对抗
- meet遇见
- face表面
- repel排斥
- fend off挡开
- beat back击退
- thwart反对
- ward off防止
- oppose反对
- defend against抵御
- withstand对抗
- last out经受住
- stern严厉的
单词：stem 相关文章
Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary
2018年VOA慢速英语(一)月
SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human
科技之光
Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c
2017年VOA慢速英语(十二)月
HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher
健康与经济
SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I
科技之光
FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell
2011年VOA慢速英语(二)月
Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have
VOA标准英语2012年(五月)
Stem Cell Treatment Boosts Heart Function A stem cell treatment for patients with heart failure significantly improved their heart function in a small but promising new study. In heart failure, the heart loses its ability to efficiently pump blood. I
VOA标准英语2011年(十一月)
President Bush says he will veto legislation that would relax restrictions on embryonic stem cell research. There is growing bipartisan support in Congress for changing those rules. 布什总统表示他将否决要求放松对胚胎干细胞研究限制
VOA双语新闻 Bilingual News
Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use
世界各地新闻集锦
Im all for stem cell research. I know it is a huge issue at the moment. Lots of people dont like it. They say it is unethical and that it is playing God. Other people say we will create Frankensteins monster. Britain seems to be leading the world in
听一分钟英文-S
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
60秒科学
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app
2007年VOA常速英语（十月）
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many
英语新闻
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃