英语词汇extraheart sound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	extraheart sound
释义	extraheart sound 简明释义额外心音网络释义 1 ?额外心音额外心音短语 1 systolic extra-heart sound 收缩期额外心音双语例句 1 A heart murmur is an extra or unusual sound heard during the heartbeat. 所谓心杂音是指心跳期间能够听到的多余而异常的声音。
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