vi.禁食，（尤指）斋戒（fast的过去式与过去分词形式）； 双语释义：adj.(形容词)快的,迅速的 a person or thing that can move quicklyadv.(副词)快,迅速地quickly紧紧地,牢固地 fixed; not easy to move英英释义： fast[ fɑ:st, fæst ]n.abstaining from food同义词：fastingv.abstain from certain foods, as for religious or medic