同一植株上的细胞不同

新视野大学英语读写教程词汇第三册 Unit 8a

New Words 8A @ implication n. 1. [C] (usu. pl.) a possible effect or result 可能的影响（或后果） @ 2. [C, U] sth. that is suggested or not openly stated 含义；暗示 @ clone vt. make an exact copy of a plant or animal by taking a cell fr

发表于:2018-12-04 / 阅读(45) / 评论(0)

新视野大学英语读写教程词汇第三册

VOA慢速英语2016 在家无土栽培蔬菜

Growing Vegetables Without Soil Inside the Home 在家无土栽培蔬菜 Have you ever wanted to grow your own food inside your home? 你是否想过自己在家里种食物？ Scientists in Finland have developed a device that may do just that. 芬兰

发表于:2019-01-12 / 阅读(336) / 评论(0)

2016年VOA慢速英语(十一)月

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(123) / 评论(0)

英语新闻

Turn Off Your Cell Phone 关掉你的手机

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(164) / 评论(0)

趣味英语

【英语时差8,16】食肉鲸和食草鲸-上

Everyone is familiar with the riddle: Which came first, the chicken or the egg? This sometimes leads to discussions about bird evolution. But most people dont realize this type of question is common in paleontology. For example: Which came first, the

发表于:2019-02-15 / 阅读(31) / 评论(0)

英语时差8，16

U.S. researchers discover human lung stem cell

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(119) / 评论(0)

英语新闻

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aartis

acid ladle

acrylonitrile-butadiene-styrene-terpolymer