单词：
单词： 相关文章
[00:08.59]What are you doing tomorrow,Eddie? [00:13.24]I am going birdwatching at the market. [00:17.50]At the market? [00:21.05]I like birds at the market.Beijing Ducks and roast chickens.Yummy! [00:29.83]Reading A Birds in Zhalong [00:40.28]Sandy j
牛津初中英语二年级
[0:0]scratch抓，刮，擦 [0:9.1942]screen screw script seal屏幕，银幕 螺丝 剧本，广播稿 封条，图章 [0:46.5236]secondary sector secure segment次要的，第二的 扇形，部门 安全的，可靠的 部分，断片 [1:34.3195]select selfish semester semiconductor选择，挑选
闭着眼睛飘单词 四级词汇
RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A
2017年NPR美国国家公共电台3月
ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into
2017年NPR美国国家公共电台9月
By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of
2006年VOA标准英语（七月）
During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa
新西兰英语