[医] 卵黄囊

词型变化：名词复数形式 : vitelline sacs

vitelline sac的用法和样例：

例句

The yolk sac is gradually vascularized.卵黄囊逐渐被血管化了。
The gonads form from a group of large granulated yolk sac cells which invacle the germinal ridges.性腺是由一群大的颗粒的卵黄囊细胞入缀生殖峭而形成。

【近义词】

yolk sac(=yolk bag)[...
umbilical vesicle脐囊

冀教版高中英语必修五--Unit Six TEENAGERS AND TELEVI

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:2018-12-04 / 阅读(228) / 评论(0)

冀教版高中英语必修五

旅馆英语对话-Hotel Gym(4)

A: Hello! Do you have a place where I can exercise? B: Yes, sir. We have a fine exercise facility. A: I'm happy to hear that. Now, would you tell me where it is? B: You're actually standing above it. Just take the elevator or stairs down one level. A

发表于:2019-01-08 / 阅读(130) / 评论(0)

英语情景对话-旅馆

旅馆英语对话-Hotel Gym(2)

A: Pardon me. Does your hotel have a fitness facility? B: Yes, sir. We try to anticipate all our guests' needs, including fitness. A: Great! Where is it? B: Sir, the gym is just below the lobby. You can take the elevator or the stairs. A: Do I have t

发表于:2019-01-08 / 阅读(131) / 评论(0)

英语情景对话-旅馆

旅馆英语对话-Hotel Gym(3)

A: Hi! Does this hotel have an exercise facility? B: But of course! We have a great exercise facility. A: Good. Now exactly where is it? B: It's located right under our lobby. Just take the elevator or the stairs one flight down. A: Is this going to

发表于:2019-01-08 / 阅读(215) / 评论(0)

英语情景对话-旅馆

英文歌曲：Burhan G - Sacrafice

What I sacrificed Being in your life I'm walking blind One step behind Torn apart I'm all worn out Afraid to play The game portrayed Hard to maintain Hard to sustain I tried so hard I gave my soul But in return, left me all alone What I sacrificed Be

发表于:2019-01-14 / 阅读(132) / 评论(0)

节奏布鲁斯

旅馆英语对话-Hotel Gym(5)

A: Excuse me. Do you happen to have a gym here? B: Yes, sir. I think you'll find our gym quite satisfactory. A: So, where do I go to exercise? B: It's only one flight down, sir. Just take the elevator or the stairs. A: Am I going to be charged extra

发表于:2019-01-15 / 阅读(147) / 评论(0)

英语情景对话-旅馆

Best chance for Balotelli, says Allegri

MILAN, March 17 (Xinhua) -- AC Milan head coach Massimiliano Allegri said Mario Balotelli is an excellent professional and is having the best chance to show his qualities. The former Manchester City striker arrived in January and bagged another brace

发表于:2019-02-02 / 阅读(206) / 评论(0)

英语新闻

2006年VOA标准英语-Bechtel Corporation Pulling Out of Iraq

By Mil Arcega Washington, DC 03 November 2006 watch Bectel Iraq report Rebuilding Iraq U.S.-based engineering firm Bechtel Corporation says it is pulling its employees out of Iraq now that its three-year contract to rebuild the war-torn country has

发表于:2019-02-03 / 阅读(260) / 评论(0)

2006年VOA标准英语（十一月)

学个词Learn a Word 第1154期 Transaction

今天我们要学的词是transaction。 Transaction, 交易。 The value and number of transactions in media industry mergers and acquisitions soared in 2010, 2010年传媒产业合并和收购交易的数量和交易总额都大幅攀升。 Facebo

发表于:2019-02-06 / 阅读(138) / 评论(0)

英语单词荟萃

原版英语对话1000个:386 Hotel Life

Adrienne: So, Trina, with your new job, you travel a lot, where do you stay when you you're traveling? Trina: I stay in hotels. Adrienne: How do you like that? Trina: I like it. It depends on the hotel though. Some of the hotels we stay in are very,

发表于:2019-02-07 / 阅读(182) / 评论(0)

原版英语对话1000个

Who Was Sacagawen 萨卡加维亚 Chapter 9

发表于:2019-02-21 / 阅读(126) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 8

发表于:2019-02-21 / 阅读(114) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 7

发表于:2019-02-21 / 阅读(120) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 6

发表于:2019-02-21 / 阅读(116) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 5

发表于:2019-02-21 / 阅读(124) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 4

发表于:2019-02-21 / 阅读(136) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 3

发表于:2019-02-21 / 阅读(151) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 2

发表于:2019-02-21 / 阅读(138) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 萨卡加维亚 Chapter 1

发表于:2019-02-21 / 阅读(137) / 评论(0)

名人认知系列 Who Was

Who Was Sacagawen 莎卡嘉薇亚

发表于:2019-02-21 / 阅读(130) / 评论(0)

名人认知系列 Who Was

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