boil down片語動詞KK [bɔɪl daʊn] /bɔɪl daʊn/發音片語動詞1歸結為、關鍵在於、說到底就是常與 to 連用The whole argument boils down to one simple question of money.整場爭論歸結起來就是錢的問題。2精簡、壓縮、濃縮可拆開She boiled the report down to a single page for the committee.她把報告精簡成一頁交給委員會。3熬濃、煮稠、收汁可拆開Boil the sauce down until it coats the back of a spoon.把醬汁熬到能挂在匙背上為止。