A tearful husband repeated calls for help in catching the fiend who battered his wife.泪流满面的丈夫不断呼喊求助，想抓到摧残他妻子的恶魔。The idea has been around for ages without catching on.这个观点已经提出来有年头了，可是一直没被广泛接受。To improve hand-eye co-ordina...
Many English words are derivatives of Latin words.许多英语词来自拉丁语.These compounds are nitrosohydroxylamine derivatives.这类合成物是亚硝基羟胺衍生物.Many cyclopentane derivatives also absorb in this region.很多环戊烷的衍生物在这个范围也出现吸收....