点击下方单词,选择对的这个单词
1. 开启；迎来；引入If one thing ushers in another thing, it indicates that the other thing is about to begin.
1. be a precursor of
e.g. The fall of the Berlin Wall ushered in the post-Cold War period
Synonym: inaugurateintroduce
多通过句子记忆单词，而不是单独死记硬背。
