那个高大的爱尔兰人快要失去冷静了。The big Irishman was on the verge of losing his cool.他们坐在一棵高大的山毛榉树下的草坪上。They were sitting on the lawn under a large beech tree.皮特在他家外面种上了高大的树以阻止人们窥探。Pitt planted tall trees outside his home to block rubb...
Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...
I had to unplug the phone.我不得不拔掉电话线。Please unplug the TV before you go to bed.临睡前请拔下电视机的插头.Unplug from these connections while you're working on your single task.远离这些联系,当你在为你的单一工作而努力的时候....