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...
Mercenary men lust for wealth.唯利是图的人贪求财富.James is so mercenary that he'd turn in his own mother for the reward money.詹姆斯太唯利是图了,他为领取赏钱竟出卖了自己的母亲.This put her affection out of suspicion of mercenary ends.这样就可以使她的爱不至于沾染...
He noticed that fabric was tearing away from the plane's wing.他注意到机翼在一块一块地断裂。The plane had been cleared for landing at Brunswick's Glynco Airport.飞机获准降落于不伦瑞克的格林科机场。She walked off the plane in a miniskirt and ti...
He was pacing the room like a caged animal.他像一头困兽一样在房间里走来走去.Aim : To synthesize carboxylate derivatives of caged bicyclic phosphate.目的: 合成笼状双环磷酸酯的羧酸酯衍生物.After the tiger was caught, it was caged.老虎被捉住后关进了笼子。Mark was still...
Later in this same passage Yeats resumes his argument for the Rose as an Irish symbol...随后在同一篇诗歌里,叶芝再次将玫瑰作为爱尔兰的标志。The rebuttal to this argument is equally simple: People create resources.要反驳这个观点同样也很简单: 人会创造资源.My argument...