the pulsation of the heart
心脏的搏动。
(一般
心跳
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her heartbeats steadied .她的心跳平稳了下来。
〈喻〉 活力之所在;维系人心者;中心
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Ontario has long been the commercial heartbeat of Canada .安大略省长期以来一直是加拿大商业活力的中心。
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a heartbeat away from very close to; on the verge of 近在咫尺laughter was only a heartbeat from tears . 哭笑之间,咫尺而已