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...
Wehrmacht StuH 42 weapon does marginally increased area damage to infantry.国防军闪电学42型突击榴弹炮对步兵的杀伤范围略增.The Wehrmacht is becoming stingier all the time about this.对于这一点,德军越来越苛刻.Prii had become fluent in German during the Weh...
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...
It is getting along towards sundown.已近日落时分了。Gunmetal sheen of sundown bathes craggy terrain where the Rio Grande cuts a tortuous path.崎岖的山体被蜿蜒的里约格兰地河切断,在夕阳下呈现出暗灰色光泽.The photographer arrived at the airstrip just an hour b...