n.跳动，搏动，悸动
vi.（心脏）跳动，抽痛
She felt her heart give a great throb. 她感到心猛地一跳。
The ache was subsiding into a dull throb. 疼痛渐渐消退，变成隐隐的搏动了。
用作不及物动词 (vi.)His heart throbbed after he mounted the hill. 登上小山后他的心怦怦直跳。
The bullet graze was beginning to throb savagely. 子弹擦伤处开始猛烈地抽痛。
