they是什么意思they中文意思是他们。例句：They had to leave at midnight.他们不得不半夜离开。They set off at a steady pace.他们以不紧不慢的速度出发了。 扩展资料例句：1.They had to leave at midnight.他们不得不半夜离开。on是什么意思2.They found him to be charming.他们觉...