点击下方单词,选择对的这个单词
1. the act of supplying fresh air and getting rid of foul air
Synonym: ventilation
2. a short excursion (a walk or ride) in the open air
e.g. he took the dogs for an airing
3. the opening of a subject to widespread discussion and debate
Synonym: disseminationpublic exposurespreading
多通过句子记忆单词，而不是单独死记硬背。
