英语词汇expectoration是什么意思，expectoration的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	expectoration
释义	UK
随便看	root sb to the ground root sb to the spot root scaler root segment root sheath root shoot root shovel root shredder root slicer root sliver root solver root space root stalk root subspace root sum square root support root symbol root system root system basis root test root thorn root tip root tip root toroid root trace

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