英语词汇pilot balloon怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pilot balloon
释义	pilot balloonn. a small balloon used to track air currents etc. 测风气球(用于测定气流等的小气球)
随便看	camphor camphorate camphoric campily campiness camping campion camp it up campsite campus campy campylobacter CAMRA camshaft camwood Can. can can Canaan Canaanite Canada Canada balsam Canada goose Canadian Canadian French

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