解释为什么钡能形成过氧化物而铍则不能。Explain why barium forms peroxide but beryllium does not.然而铍的毒性限制了它的作用.However the toxic properties of beryllium limit its application.但如果用铝包覆铍,则可避免加工过程中及储存期间的中毒问题.Toxicity problem in manufacturing and...
I'll try to be as inconspicuous as possible...我会尽量不惹人注意。He was sidling into the bar, obviously trying to be inconspicuous.他悄悄地走进酒吧，显然不想引起注意。an inconspicuous act of bravery不引人注意的英勇行为I'll try to be as inconspicuo...
他们爱炫耀，几乎对每种情况都添油加醋。They have a tendency to show off, to dramatize almost every situation.被自恋症折磨的人会变得只专注于自己的事情，或者不断地自我炫耀。Those who suffer from narcissism become self-absorbed or chronic show-offs.他炫耀自己通过装病来逃避服兵役。He boasts...
Suddenly he heard a rustle in the peony pavilion and someone sighing deeply.他忽闻有人在牡丹亭畔长吁短叹.What are you sighing about?你为什么唉声叹气?What are you sighing about? Is something wrong?你叹息什么? 出什么事了?Sighing for sorrow can be harmful...