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...
A deluge of manuscripts began to arrive in the post...大量的手稿开始通过邮递涌来。The manuscripts were written in the composer's own hand.手稿是作曲家亲笔写的。Two fourteenth-century manuscripts of this text are still extant.这个文本仍有两份14世纪手抄本...
The sight filled us with awe.这景色使我们大为惊叹。His pronouncements were cited with awe by our Chinese hosts.我们的中国东道主们对他的每句话都奉若神明.Mount Qomolangma is an awe - inspiring sight.珠穆朗玛峰是令人惊叹的景象.The higher we climbed, the more awe-insp...