词典释义：
释义
v.
beat or sound with a strong, regular rhythm; pulsate steadily
有节奏地震动（或跳动、搏动）；有规律地颤动
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the war drums throbbed 战鼓咚咚地擂着
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figurative 〈喻〉the crowded streets throbbed with life .拥挤的街道上生机勃勃。
feel pain in a series of regular beats
抽搐，阵阵作痛
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her foot throbbed with pain 她的脚阵阵抽痛
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[as adj.
throbbing ]a throbbing headache .阵阵头痛。
n.
a strong, regular beat or sound; a steady pulsation
跳动，搏动；有节奏的震动（或颤动），突突声
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the throb of the ship's engines .轮船的发动机突突的运转声。
a feeling of pain in a series of regular beats
抽痛。
词源
" late Middle English： probably imitative. "