单词：cell development
cell development的用法和样例：
例句
- A sperm cell develops from a sperm mother cell.精细胞从精母细胞发育而成。
- After it reaches its maturity,the whole volume of the oil cell is filled with the large vacuole,which becomes the oil sac subsequently.当油细胞发育成熟后，细胞质及核开始解体，整个油细胞的腔由大液泡充满，成为油囊。
单词：cell development 相关文章
This is the VOA Special English Development Report. A hydrogen fuel cell powered bus in Hartford, Connecticut, in 2007. If you travel by bus in Sao Paulo, Brazil these days your vehicle may be powered by hydrogen fuel cells. The city's urban transpo
VOA慢速英语2009年（九）月
This is the VOA Special English Development Report. Sending and receiving money by text message. Sharing crop prices. Just talking to a loved one far from home. These are some of the ways that mobile phones have changed lives in developing countries.
2010年VOA慢速英语(五)月
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
趣味英语
WASHINGTON, April 16 (Xinhua) -- Researchers at the University of Colorado (CU) have found that lack of a specific gene interrupts neural tube closure, a condition that can cause death or paralysis. The study was the cover story this week in the jour
英语新闻
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
英语新闻
下面是2014年英语四级作文范文：手机的利弊，希望考生了解四级范文的写作思路，增强自己的写作实力。 作文话题： Advantages and Disadvantages of Cell Phone?手机的利与弊手机的好处。 手机的弊端。
四六级写作指导