英语词汇“pilot balloon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pilot balloon
释义	pilot balloon noun : a small unmanned balloon sent up to show the direction and speed of the wind
随便看	short-headedness shorthorn shorthorn short-horned buffalo short-horned grasshopper short hundredweight shortia shortie shorting short interest short iron shortish shortite short jenny short-jointed short-laid shortleaf shortleaf pine shortleaf yellow pine short-leaved pine short leet short leg short line short-list short list

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