持續(xù)了多久how: adv. 1.怎樣,怎么(=in what manner ...long: adj. (longer longest ) 1.長,長 ...it: it2 pron. (sing. Nom. ...last: adj. (opp. first) 1.最后的,末尾的; ...how long did the party last: 晚會(huì)持續(xù)了多長時(shí)間下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯