one of look up look out watch over take a away 这些短语怎么造句啊?(要正确的)!

one of 其中一个He is one of the best doctors in the world.他是世界上最好的医生之一look up查询If you don't know a word,you can look it up in a dictionary.如果你有不识的字,可以查字典.look out【口】小心;...