释义 |
pilot balloon ˈpailətbəˈlu:n 基本英英例句Thesaurus n.测风气球
Noun: meteorological balloon used to observe air currents用作名词Apilot balloonwas sent to the air.一个测风气球被放入空中。as in.trial balloon 同义词 ballon d'essai,barometer,feeler,fishing question,test of public reaction,toe in the water trial balloonnoun test ballon d'essai,barometer,feeler,fishing question,test of public reaction,toe in the water |