凈形的流線型的clean: adj. 1.清潔的,干凈的;未染污的;(核武器等)無(wú)放 ...up: adv. (superl. uppermost ) 1. ...cleaned up: 凈形的cleaned-up nacelle: 凈形短艙getting cleaned up: 弄干凈下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯