Значения для термина "heard the throb" отсутствуют.
1 I'd been crouching for five minutes when I heard the throb of a large engine being pushed hard.
2 I heard the throb of the motor and ruckling of the gravel of the path-he was moving away.
3 Soon afterward they heard the throb of the motor again and then the sound of a car driving away.
4 The dusk had deepened into almost total darkness; for some time I only heard the throb of the marching pace.
5 Then they heard the throb of marine diesels, and through the mist they saw a ship appearing in the south.
6 Presently, however, she heard the throb of a car coming up the valley and a cloud of dust rolled up behind a hedge.
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