on tap片語KK [ɑn tæp] /ɑn tæp/發音片語1桶裝的、生的指啤酒They have four local beers on tap tonight.今晚他們供應四種本地的桶裝啤酒。2隨時可用、隨時可取得We keep extra volunteers on tap for busy weekends.我們安排了額外的志工,週末忙碌時隨時可以調用。3即將進行、已安排美式,口語What's on tap for the meeting this afternoon?今天下午的會議安排了哪些內容?