must-have 必須品must-do 應(yīng)為must- adj.應(yīng)該；加在動(dòng)詞前；例如'see'；'have'；或'read'；形成形容詞和名詞指應(yīng)當(dāng)做某事；combmust use full legal name [經(jīng)濟(jì)學(xué)]必須使用法定的全稱must needs 偏要；偏偏must keep a low profile [新聞學(xué)與傳播學(xué)]必須低調(diào)行事must have done 必定做了…（表示對(duì)過去的推測(cè)）must have been a fool [醫(yī)藥科學(xué)]必須是被愚弄must have been 一定（對(duì)過去事實(shí)肯定的推測(cè)）must have 必須擁有；非有不可must be valid 必須實(shí)事求是must be off 該走了must be going 該告辭了；必須去must be 一定；一定要；肯定是must (v.) must aux. 必須；一定；應(yīng)該，得 n. 絕對(duì)必要的事物；待發(fā)酵的葡萄汁；發(fā)霉，潮氣 n. (Must) （美）穆斯特（人名）mussy (adj.) mussy adj.雜亂的；紊亂的；吵鬧的mussulmen n.回教徒adj.回教徒的mussulmans n.回教徒adj.回教徒的