单词:hexaminidase
单词:hexaminidase 相关文章
At sundown in Nigeria, children are playing a game called egalagala. The children play near their home. As they play, their mother looks sad. Their two older brothers, Abuna and Dunoma, are missing. They were arrested in 2013 by Nigerian soldiers. Th
We start in Philadelphia where three young men have turned themselves in to face assault charges. This is where these violent flash mob attacks plaguing the city. Police say these men actually put a man in the hospital. The mayor there has promised c
This is the VOA Special English Health Report. Autumn and winter are cold and flu season -- when people are most likely to catch the viruses that cause influenza and the common cold. Is the old advice true that dressing warmly will help prevent a co
Jonah Hex. Are these the boys you wanted? You surely have done us quite a favor. A transaction is all it was. I'll collect my hundred dollar bounty on them and be on my way. From Superman and Spider Man to Josie and the Pussycats, Hollywood has a lon
67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59
French nuclear energy 法国核能 Under pressure 压力之下 France wants to export nuclear reactors. Who will buy them? 法国想出口核反应堆,谁人将买? FOR France, nuclear power has long been a source of national pride. Its European