点击下方单词,选择对的这个单词
1. 堵塞,盖住(洞或缝隙)If you stop something up, you cover or fill a hole or gap in it.
1. fill or close tightly with or as if with a plug
e.g. plug the holestop up the leak
Synonym: plugsecure
多通过句子记忆单词,而不是单独死记硬背。