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...
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...