n.心跳，心搏；中心；感情；重要特征 变形： 复数：heartbeats 英英释义： heartbeat[ 'hɑ:tbi:t ]n.the rhythmic contraction and expansion of the arteries with each beat of the heart同义词：pulsepulsationbeata very short time (as the time it takes the eye blink or the heart to beat)同义词：blink