英语词汇extrasystole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	extrasystole
释义	extrasystole[,ekstrə'sistəli] n.【医学】(心脏)期外收缩,额外收缩,过早收缩[亦作 premature beat, premature contraction]
随便看	sleep out sleep-out sleep-outs sleep over sleep-over sleep over a problem sleep over a question sleep-overs sleep paralysis sleep rough sleeps sleep sofa sleep strike sleep-teaching sleep therapy sleep the sleep of the just sleep through sleep tight sleep together sleep up sleep upon sleep upon a problem sleep upon a question sleep upon both ears sleep upon one's arms

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