He fled on Friday, saying he feared for his life.他星期五逃走了，说是担心自己有生命危险。He fled to Costa Rica to avoid military service.他逃到了哥斯达黎加以逃避服兵役。The teenage attackers fled when the two men fought back.当那两名男子还击时，袭击他们的少年逃之夭夭。...
别抱怨不好的事，要对好的事心存感恩。Instead of complaining about what's wrong, be grateful for what's right.索尼娅的英语也许说得不好，但谁又说得好呢？Sonia might not speak the English language well, but then who did?她有些不好接近，但我确信她想表现得友好一些。She was som...
所有四价配位体对铜都有钝化效果,能与铜形成平面的四价配位络合物.All the tetraderadentate ligands were found to be effective with copper, which forms planar four - coordination complexes.可以通过形成络合物的方法来破坏氰离子发生钝化作用.The destruction on inactivation of cyanid...