fall into是不是介词?into呢?为什么?

fall into是不是介词?into呢?为什么? fall into fall into fall into fall into fall down into the fall into history是什么意思? fall into ------（dark/darkness) fall into a Fall Into Place 歌词 fall into是不是系动词fall into 是不是系动词 系动词只能是一个词吗?可不可以是像fall into 这样的短语? divide into 与 fall into 区别 ride into run into fall into分别什么意思 fall in sleep还是fall into sleep fall的搭配如 fall into 多点 fall into中文怎么翻译 fall down into的意思 fall into 是什么意思?必采纳!