My mother is often busy in cleaning the rooms.
be busy in doing something.固定搭配 意思是忙于干某事
或者在often 后面加too.
意思变了,意思是 我妈妈经常太忙而顾不上打扫房间.
My mother is often busy in cleaning the rooms.
be busy in doing something.固定搭配 意思是忙于干某事
或者在often 后面加too.
意思变了,意思是 我妈妈经常太忙而顾不上打扫房间.