(throbbed, throbbing)no obj.
1- 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：
the war drums throbbed
战鼓咚咚地擂着
figurative 〈喻〉the crowded streets throbbed with life.
拥挤的街道上生机勃勃。
1.1
- feel pain in a series of regular beats抽搐, 阵阵作痛：
her foot throbbed with pain
她的脚阵阵抽痛
as adj. throbbing a throbbing headache.阵阵头痛。
usu. in sing.
1- 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：
the throb of the ship's engines.
轮船的发动机突突的运转声。
1.1
- a feeling of pain in a series of regular beats抽痛。
词源
late Middle English: probably imitative.