逐家逐戶清掃行動(dòng)block: n. 1.片,塊,大塊;粗料,毛料;木料;石料;金屬塊; ...clean: adj. 1.清潔的,干凈的;未染污的;(核武器等)無放 ...up: adv. (superl. uppermost ) 1. ...block up: 堵塞,擋住; 堵住; 封堵 墊高; 塞住; 上盤; 停用; 阻礙; 阻塞back up block: 支撐塊下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯