[ 第三人称单数 expectorates 现在分词 expectorating 过去式 expectorated 过去分词 expectorated ]
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"This drug expectorates quickly"
同义词： clear out drive out
同义词： cough up cough out spit up spit out
以上来源于: WordNet
V to cough up and spit out (sputum from the respiratory passages) 咳并吐出(痰)
Do not expectorate on the sidewalks.
不要在人行道上吐痰。
youdao
He began to expectorate small amounts of blood streaked sputum.
他开始有少量带血丝的痰。
He began to expectorate small amounts of blood-streaked sputum.
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