[化] 聚脲

polyurea的用法和样例：

例句

The characteristics of special polyurea grease for motor bearing and its application effects are analysed and discussed.对电机轴承专用聚脲基脂的特点及其在电机轴承上的应用效果进行了分析和探讨。
Development history and popularization situation of technology of spraying polyurea elastomer are focused.重点介绍了喷涂聚脲弹性体技术的发展进程和推广普及情况。

每天三分钟学英语第255期:你会念hydrofluoric这个词吗?如何用"拼读法"记单词?

情景对话： Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会？知识点笔记： hydrofluoric 氢氟酸 1. 确定辅音相对来说，辅音变化最少。单词中 h，dr，fl，r 和 c，都没有特殊和奇怪

发表于:2018-12-18 / 阅读(347) / 评论(0)

英国学生科学读本

美国科学60秒 SSS 2012-10-16

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(486) / 评论(0)

Scientific American(十)月

SSS 2012-08-20

This is scientific American sixty seconds science. I am Amy Kraft. Got a minute? Sweat potatoes contains fiber, vitamin A and calcium, but the way that scientists think they can make them even more healthful is literally shocking. Researchers found t

发表于:2018-12-24 / 阅读(379) / 评论(0)

Scientific American(八)月

英语笑话：the meaning of politics 政客的含义

the meaning of politics Guess what the true meaning of politics is. Poli is a Latin term meaning many and tics are bloodsucking creatures. Notes: 1. Guess what the true meaning of politics is. 猜猜看政治的真正含义是什么？ 2. Poli is a L

发表于:2018-12-26 / 阅读(360) / 评论(0)

英语笑话（MP3+文本）

字源大挪移 Prefix - 表示程度的字首 23 poly-

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-30 / 阅读(407) / 评论(0)

英文魔法师字源大挪移

VOA慢速英语2018 亚马逊第一家无人便利店开业

Amazon Go: First Store with No Money or Lines The American company Amazon has launched a store that does not require you to stand in a checkout line or someone to process your payment. 美国亚马逊公司推出了一家无需排队等待收银员结账

发表于:2019-01-03 / 阅读(374) / 评论(0)

2018年VOA慢速英语(一)月

专业术语—医院常用抗菌药物的英文翻译(13)

抗病毒药三氮核苷唑 Ribavirin` 病毒唑, 利巴韦林, 尼斯可, VIRAZOLE 无环鸟苷 Acyclovir 阿昔洛韦, Zovirax, 永信克疱, 丽珠克毒星, 舒维疗更昔洛韦 Ganciclovir 丽科

发表于:2019-01-03 / 阅读(461) / 评论(0)

医务英语

专业术语—医院常用抗菌药物的英文翻译(10)

硝咪唑类甲硝唑 Metronidazole 甲硝羟乙唑, 灭滴灵, 咪唑呢达, 灭滴唑, 佳尔钠FLAGYL, Klion, Arilin 替硝唑 Tinidazole 服净, Fasigyn 氯霉素类氯霉素 Chloramphenicol CHL

发表于:2019-01-03 / 阅读(425) / 评论(0)

医务英语

专业术语—皮肤科词汇中英对照(14)

皮肤附属器疾病寻常痤疮 acne vulgaris 脂溢性皮炎 seborrheic dermatitis 石棉状糠疹 pityriasis amiantacea 酒糟鼻 acne rosacea 激素性皮炎 hormonous dermatitis 口周皮炎 pe

发表于:2019-01-03 / 阅读(391) / 评论(0)

医务英语

专业术语—中草药成分英汉对照词汇P2

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A，C，D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(520) / 评论(0)

医务英语

妇产科常见临床表现-医学英语

全身症状发热 fever 潮热 hot flushes 乏力 easy fatigability 怕冷 sensation of chill 神经质 hervousness 头晕 vertigo 头痛 headache 心慌 palpitation 恶心 nausea 呕吐 emesis；vomiting 腹泻 diarrhea 腰痛 lumbago 麦氏点 Mc

发表于:2019-01-08 / 阅读(467) / 评论(0)

医学英语

美国国家公共电台 NPR It's Polyamorous Polysaturation — Unconventional Relationships Abound On TV

AUDIE CORNISH, HOST: This is what pillow talk on television sounds like these days. (SOUNDBITE OF TV SHOW, I LOVE DICK) KATHRYN HAHN: (As Chris) Why do you think that we are - have been monogamous all these years when we don't even believe in it? Lik

发表于:2019-01-17 / 阅读(459) / 评论(0)

2017年NPR美国国家公共电台5月

新西兰英语 424 Uni and polytech students in Christchurch

Students at the University of Canterbury had only one and a half days of classes before the earthquake on Feb 22nd. The university then closed for three weeks. A number of buildings had red stickers, including the two newest buildings Commerce and La

发表于:2019-01-27 / 阅读(420) / 评论(0)

新西兰英语

SCIENCE REPORT - Red Wine and Heart Disease

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(439) / 评论(0)

科技之光

经济学人321:爬行动物的排尿可算是方便了

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(430) / 评论(0)

经济学人科技系列

The Shepherd and the Bureaucrat

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(405) / 评论(0)

趣味英语

学个词Learn a Word 第983期 Bureaucracy

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问，精简军方的官

发表于:2019-02-08 / 阅读(346) / 评论(0)

英语单词荟萃

大众拟用催化转化器修复受影响汽车

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(408) / 评论(0)

英语新闻

VOA标准英语10月-Conflict Resolution Marked Career of Nobel Laurea

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(381) / 评论(0)

VOA标准英语2008年（十月）

茶与牛奶一起喝有害健康

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉，从而使

发表于:2019-02-17 / 阅读(454) / 评论(0)

实用英语

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

capacity for differentiating colours

carbamoylglyoxaline