[医] 琼脂培养基

agar medium的用法和样例：

例句

The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium.有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落。
The red-hot tool is then inserted into the agar to cool it and make it slightly sticky.将烧红的工具伸进琼脂培养基中使之降温同时使接种工具具有一定的粘性。

商务英语词汇投资：债券

[00:03.81]bond rating :债券评等 [00:05.87]convertible bond :可转换债券 [00:08.17]government bond :政府债券 [00:10.47]junk bond :垃圾债券 [00:12.48]medium-term note :中期债券 [00:14.86]par value :面值 [00:16.87]premium :n.溢价

发表于:2018-12-05 / 阅读(254) / 评论(0)

商务英语分类核心1000词汇

初中英语山东版六年级下--Unit 10-B

Unit 10 I'd like some noodles. [00:07.62]Section B [00:09.87]1a Match the words with the pictures. [00:15.37]1b Circle the things you like in the picture [00:19.41]above. [00:20.62]Make an X next to the things you don't like. [00:24.42]Then tell your

发表于:2018-12-10 / 阅读(399) / 评论(0)

初中英语山东版六年级下

实用英语口语 unit24

[00:00.00]Unit 24 Shopping [00:08.20]第二十四单元购物 [00:16.40]Sentence Patlerns [00:20.23]基本句型 [00:24.06]231 May I help you? [00:27.77]您要买什么? [00:31.47]232 Could you show me that pair of shoes? [00:42.00]你能给我看看那

发表于:2018-12-10 / 阅读(356) / 评论(0)

实用英语口语

用听的背单词-基础2000MP3(MP-05)

men---------男人 menu-------菜单 meter-------公尺 media-------大众传播媒体 medium----中间

发表于:2018-12-16 / 阅读(261) / 评论(0)

用听的背单词-基础2000MP3(h-z)

生活英语词汇：调味料及香精

调味料及香精：(condiment/flavoring/dressing/essences) 酱油soy 双抽black soy sauce 生抽thin soy sauce 醋vinegar 白醋white vinegar 盐salt 糖sugar 料酒rice wine 冰糖rock sugar 花椒wild pepper 胡椒pepper 黑胡椒black pepper 生姜

发表于:2018-12-18 / 阅读(309) / 评论(0)

英文语法词汇

英语听力—环球英语 1431 The Power of Apology

Voice 1 Welcome to Spotlight, I'm Christy Van Arragon. Voice 2 And I'm Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier to for people to understand no matter where in the world they live. I am sorry Voice 1 This phras

发表于:2018-12-19 / 阅读(227) / 评论(0)

环球英语 Spotlight

北师大初中英语七年级下--Unit 9-33-1

[00:00.00]UNIT 9 Lesson 33 [00:06.12]1.2 Hi,Jerry,what are you doing? [00:11.33]I'm designing a charecter [00:13.65]for a new computer game. [00:15.73]Whar's his name? [00:17.29]His name's Bruce. [00:19.06]And what does he do? [00:20.92]He's a detect

发表于:2018-12-29 / 阅读(342) / 评论(0)

北师大版初中英语七年级下

2005年NPR美国国家公共电台七月-Bloggers Look for Profits as Medium Matur

On Mondays we focus on the business of techonology and today we'll hear about an effort to make money with blogs. Millions of people publish internet weblogs or blogs but among the few people who do it for profit is Jason McCabe Calacanis. A year and

发表于:2019-01-08 / 阅读(385) / 评论(0)

2005年NPR美国国家公共电台

UNIT 3 Body and Feelings Lesson 20: How Tall Are You?

[ti:UNIT 3 Body and Feelings Lesson 20: How Tall Are You?] [00:01.33]UNIT 3 第三单元 [00:03.41]Body and Feelings 身体和感觉 [00:06.92]Lesson 20: 第20课： [00:08.72]How Tall Are You? 你多高？ [00:11.76]1. [00:13.38]Are you short or tal

发表于:2019-01-09 / 阅读(371) / 评论(0)

河北教育初中英语（初中起点）七年级上

国外生活必备的英文词汇(6)

熟菜 string bean 四季豆 pea 豌豆 green soy bean 毛豆 soybean sprout 黄豆芽 mung bean sprout 绿豆芽 bean sprout 豆芽 kale 甘蓝菜 cabbage 包心菜; 大白菜 broccoli 花椰菜 mate

发表于:2019-01-11 / 阅读(267) / 评论(0)

英文语法词汇

VOA标准英语2009年-India Begins Project to Issue Biometric Id

By Anjana Pasricha New Delhi 24 September 2009 India has embarked on an ambitious project to give biometric identity cards to its 1.2 billion citizens. If implemented, the project could help millions of poor people gain easier access to public servi

发表于:2019-01-13 / 阅读(271) / 评论(0)

VOA标准英语2009年(九月)

VOA标准英语2011--Scientists Point to Possible Health Effe

Scientists Point to Possible Health Effects of Cell Phones This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association f

发表于:2019-01-14 / 阅读(456) / 评论(0)

VOA标准英语2011年(八月)

美国国家公共电台 NPR Can Home Health Visits Help Keep People Out Of The ER?

RACHEL MARTIN, HOST: When people with simple, non-urgent medical problems go to the emergency room for treatment, it creates all kinds of problems - ERs get overcrowded, treatment is expensive, it's often inefficient. This is a big issue here in Wash

发表于:2019-01-16 / 阅读(303) / 评论(0)

2018年NPR美国国家公共电台1月

英语角-圆桌会议 RoundTable0206 - 完美女友≠完美恋情

Topic 1-The best and the worst of CCTV New Year's Gala 2017 The CCTV New Year's Gala this year has triggered thousands of netizens to comment on its best and worst performances. What are the highlights and the low points? Topic 2-Burning the first in

发表于:2019-01-18 / 阅读(251) / 评论(0)

英语角-圆桌会议

商业信函的7个“C”原则

写信的原则（Writing Principles）已从原来的3个C（Conciseness, Clearness, Courtesy）发展到目前的７个C：Completeness, Clearness, Concreteness, Conciseness, Correctness, Courtesy, Consideration实例: Dear Sirs,With reference to y

发表于:2019-01-20 / 阅读(288) / 评论(0)

实用英语

雅思分类词汇：超市食品名称－其它类

D. 其它 Long rice 长米，较硬，煮前先泡一个小时 Pudding rice or short rice 短米，较软 Brown rice 糙米 THAI Fragrant rice 泰国香米* Glutinous rice 糯米* Strong flour 高筋面

发表于:2019-02-04 / 阅读(311) / 评论(0)

英文语法词汇

英语不好在国外都闹过哪些笑话？

俗话说，没有坠过马的人不是好骑手，没有闹过笑话的英语不叫歪果语。学了这么多年英语，当真正出国或是遇到外国人之后，闹出的笑话真不是一星半点啊~ 下面请看网友给出的高票回答：

发表于:2019-02-13 / 阅读(287) / 评论(0)

英语口语

经济学人393:科学究竟有什么用?

Books and Artts; Book review; 文艺；书评； Conundrums of science; 科学谜题； What is it for? 科学究竟有什么用？ Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学；乔艾格著； SCIENCE works with problems b

发表于:2019-02-18 / 阅读(288) / 评论(0)

经济学人综合

英语绕口令大全第6期

以字母G开头英语绕口令： Give Mr.Snipa's wife's knife a swipe. 把史立巴先生的太太的刀子抹净 Give papa a cup of proper coffee in a copper coffee cup. 给老爸一杯用铜制咖啡杯装的好咖啡 Gertie's great-grandma grew

发表于:2019-02-27 / 阅读(480) / 评论(0)

英语绕口令大全

英语听力—环球英语 1061 The Power of Apology

发表于:2019-03-04 / 阅读(349) / 评论(0)

环球英语 Spotlight

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