She felt her heartbeat quicken as he approached.

　　隨著他的走近，她覺(jué)得自己的心跳加速了。

　　Her heartbeat steadied.

　　她的心跳平穩(wěn)下來(lái)。

　　If I was offered another job, I'd leave in a heartbeat.

　　如果能找到另外一份工作，我馬上就走。

　　The candidate said that he understood the heartbeat of the Hispanic community in California.

　　這位候選人說(shuō)他了解加利福尼亞州的西班牙語(yǔ)裔美國(guó)人社區(qū)的特點(diǎn)。

　　The heartbeat was feeble and irregular.

　　心搏無(wú)力，心律不齊。