多无性系区

[ti:UNIT 2 DNA Lesson 14 A Clone of My Own] [0:01.795]UNIT 2 第二单元 [0:03.474]DNA [0:06.878]Lesson 14: 第14课: [0:08.810]A Clone of My Own 克隆自己 [0:11.639]THINK ABOUT IT! 想一想! [0:13.249] Do you have a twin brother or sister? 你

发表于:2018-12-10 / 阅读(115) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

抗病毒药 三氮核苷唑 Ribavirin` 病毒唑, 利巴韦林, 尼斯可, VIRAZOLE 无环鸟苷 Acyclovir 阿昔洛韦, Zovirax, 永信克疱, 丽珠克毒星, 舒维疗 更昔洛韦 Ganciclovir 丽科

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 医务英语

AUDIE CORNISH, HOST: This is what pillow talk on television sounds like these days. (SOUNDBITE OF TV SHOW, I LOVE DICK) KATHRYN HAHN: (As Chris) Why do you think that we are - have been monogamous all these years when we don't even believe in it? Lik

发表于:2019-01-17 / 阅读(85) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Hundreds of thousands of people in Bangladesh, victims of the worst cyclone to hit the country in a decade were desperately awaiting aid on Monday as the official death toll climbed to over three thousand. With relief aid pouring in, rescue teams bat

发表于:2019-01-22 / 阅读(25) / 评论(0) 分类 自然百科2008年

今天我们要学的词是 clone. Clone 动词,克隆。Chinese scientists have successfully cloned two monkeys, using the same technique that created Dolly the sheep more than two decades ago. 中国科学家使用20多年前克隆桃莉羊的技术

发表于:2019-01-26 / 阅读(35) / 评论(0) 分类 英语单词荟萃

Students at the University of Canterbury had only one and a half days of classes before the earthquake on Feb 22nd. The university then closed for three weeks. A number of buildings had red stickers, including the two newest buildings Commerce and La

发表于:2019-01-27 / 阅读(80) / 评论(0) 分类 新西兰英语