点击下方单词,选择对的这个单词
1. 以往的;往昔的You use erstwhile to describe someone that used to be the type of person indicated, but no longer is.
1. at a previous time
e.g. at one time he loved herher erstwhile writingshe was a dancer once
Synonym: onceformerlyat one timeerst
多通过句子记忆单词,而不是单独死记硬背。