clean up clean out clean down

问题描述:

clean up clean out clean down
说详细点,谢谢

clean up1.把…收拾干净:梳洗干净;例句:It's your turn to clean the classroom up.该轮到你们打扫教室了.2.把(不需要之物)清除掉:例句:Let's clean up the broken glass immediately before someone walks on it...