卵黄囊

词型变化：名词复数形式 : yolk-sacs

yolk-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 dye Trypan Blue has a remarkable biphasic effect on pinocytosis by yolk sal.染料锥虫蓝对卵黄囊的胞饮作用具有明显的双向作用。

国际英标 cha2 le21-24

[00:03.21]light a dance hall life have good health [00:06.69]光线舞厅生命身体好 [00:10.16]style help oneself welcome look forward [00:14.04]风格自取欢迎盼望 [00:17.92]false by luck [00:20.00]错误的幸亏 [00:22.07]A:Pardon

发表于:2018-12-01 / 阅读(128) / 评论(0)

李阳疯狂说英语

李.卓维斯最新作品Key Monster

91 李.卓维斯最新作品Key Monster AMERICAN MOSAIC - August 31, 2001 HOST: Welcome to AMERICAN MOSAIC VOA's radio magazine in Special English. (THEME) This is Bob Doughty. On our program today: W

发表于:2019-01-02 / 阅读(158) / 评论(0)

文化聚焦

芙蓉姐姐都瘦了你还在等什么?

Sometimes simple changes can bring about big results. When it comes to losing weight, more often than not, it's all about numbers. 有时简单的转变会带来大大的收获，每当说到减肥这个话题时，往往讲究的都是些数字。 I

发表于:2019-01-03 / 阅读(100) / 评论(0)

实用英语

New US Food Advice Not to Everyone's Taste

New US Food Advice Not to Everyone's Taste Americans can eat eggs without feeling guilty, according to new nutritional guidelines issued by the U.S. government. A person can eat as many eggs as they like each day, the updated guidelines say. One larg

发表于:2019-01-12 / 阅读(211) / 评论(0)

2016年VOA慢速英语(一)月

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(112) / 评论(0)

节奏布鲁斯

VOA慢速英语20060218a

IN THE NEWS - Trying to Contain the Spread of Bird FluBy Nancy Steinbach Broadcast: Saturday, February 18, 2006 I'm Steve Ember with IN THE NEWS in VOA Special English. More countries found the h-five

发表于:2019-01-16 / 阅读(108) / 评论(0)

2006年慢速英语（二）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(116) / 评论(0)

英语单词荟萃

你对鸡蛋的了解有多少?

BEIJING, Aug. 9 (Xinhuanet) -- There are three little-known effects about eggs, except its rich nutrition that is necessary for people. First, eating eggs can brighten your eyes. Those who eat eggs every day have little risk for cataract according to

发表于:2019-02-07 / 阅读(308) / 评论(0)

英语新闻

在工艺品商店

At the Arts and Crafts Store 在工艺品商店 Key Sentences（重点句子） Don't you think we could use one to decorate our room？难道你不想买一条来装饰我们的房间吗？ Artistic tapestry is the highest form of expression of the

发表于:2019-02-13 / 阅读(122) / 评论(0)

实用英语

TED演讲：宏观历史(1)

First, a video. Yes, it is a scrambled egg. But as you look at it, I hope you'll begin to feel just slightly uneasy. 首先，来段录像。对，这是个被搅拌的鸡蛋。但是，当你看它的时候，我希望你能开始感受到有一点点

发表于:2019-02-14 / 阅读(98) / 评论(0)

TED演讲教育篇

Who Was Sacagawen 萨卡加维亚 Chapter 9

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:2019-02-21 / 阅读(103) / 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(89) / 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(89) / 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(95) / 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(101) / 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(114) / 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(124) / 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(117) / 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(114) / 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(107) / 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

anti-intellectualisms