Now it's too late - I'm on a 1000 downers now, I'm drowsy.但现在一切都晚了,我吃了1000片镇定药.It was a warm,quiet,drowsy afternoon.那是一个暖和、寂静而令人昏昏欲睡的下午。The drowsy browser knits its brows to browbeat the frowzy crow.昏昏欲睡的吃...
这些丁基自由基促使苯乙烯聚合速度加快.These butylraidicals bring about a rapid polymerization of styrene.目的:评价异 丁基 壳聚糖作为生物材料的安全性.Objective To evaluate the bio compatibility of isobutyl - chitosan as a material.同时,文中还论述了溴化丁基再生胶的实用价值.Meanwhi...