点击下方单词,选择对的这个单词
1. refrain from entering or walking onto
e.g. keep off the grassstay off the premises
Synonym: stay off
2. refrain from certain foods or beverages
e.g. I keep off drugsDuring Ramadan, Muslims avoid tobacco during the day
Synonym: avoid
多通过句子记忆单词,而不是单独死记硬背。