单词：straight embryo
单词：straight embryo 相关文章
Who has a straight face? Vicki: This is Real English from BBC Learning English. Im Vicki. Chen Li: 我是陈鹂。 在今天的节目中， 我们要学的是什么呢？ Vicki: Todays new expression is keep a straight face. Chen Li: Keep a straight face. 你能解释一下吗?
地道英语在线听
我们今天要说的三个习惯用语都用来描绘人的忠诚可靠，不偏不倚和品行端正。第一个是: straight arrow。 Straight是直的，而arrow是箭，straight arrow从字面上看是笔直的箭，straight arrow，宁折不弯，
美国习惯用语
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