单词：symmetrical chromatid exchange
单词：symmetrical chromatid exchange 相关文章
measurement slave unlimited invert symmetrical lessen lever hip liability overlook thresh tensile vision likeness steady siege fission limp line linear vein commence obscure
用Mp3背六级单词
Flawless pearls are among the most symmetrical spheres biological organs. But do they get so round? Turns out they turn. Pearls and mollusks such as oysters create so-called pearls acs around intrusive pieces of grit. The sac coat the yelten with the
Scientific American(六)月
The $280 glasses, developed by a Berkeley firm, were discovered by accident, and allow sufferers to see colours which were previously muddled and muted. 这款由伯克利（Berkeley）公司开发的眼镜售价280美元，发明过程纯属偶然，能
阅读空间
China, Russia vow to advance cultural exchange
英语新闻
Science and technology 科学技术 Health indicators 健康指标 On the face of it 从表面判断 More evidence that symmetrical features indicate good health 更多证据表明对称容貌显示身体健康 BEAUTY may be in the eye of the beholde
经济学人科技系列