erst 同义词
发音:erst是什么意思- once, formerly, at one time, erstwhile, once, formerly, at one time, erstwhile
释义: 副词 at a previous time; "at one time he loved her"; "her erstwhile writing"; "she was a dancer once";
- once, formerly, at one time, erstwhile, once, formerly, at one time, erstwhile
释义: 副词 at a previous time; "at one time he loved her"; "her erstwhile writing"; "she was a dancer once";