(Teacher David) Crichton said the children had just completed their warm-up when they began to hear "soft thudding" on the ground.
克莱顿·大卫老师（DavidCrichton）说，孩子们刚刚热完身，便听到地上传来轻微的砰砰声。The bumblebees' buzzing did not bother the beavers nor did the beavers' building bother the bumblebees.
大黄蜂的嗡嗡声没有打扰到海狸，海狸建房的砰砰声也没有打扰到大黄蜂Some of the crackles and pops were lightning, but the eerie whistles and curiously melodious chirps had a rather more exotic origin.
有些爆裂声和砰砰声是闪电，但是奇异的哨声和旋律美妙的唧唧声则更多的是来自外层空间。This time I wasn't the only one who heard the thumping of the lobo's tail.
这次不仅我一个人听到了大灰狼尾巴的砰砰声。In distant parts of the building I heard the muffled slamming of doors.
远处仔细听还是能听到关门的砰砰声。The moans of bullfrogs emanating from the marshland along the 18th fairway are replaced by the ping ping of hammers hitting metal .
锤子敲击金属的砰砰声已经取代了18号球道旁沼泽地里传来的蛙鸣。A high-pitched whine, then a thump, signaled the deployment of the landing gear. The flaps dropped and the aircraft slowed drastically.
一个尖锐的声音伴随着沉闷的砰砰声，这是驾驶员在放下起落架，襟翼放下之后，飞机的速度慢了许多。The pounding electrified the crowd with the rhythm of a rave.
伴随着狂喜叫喊的节奏时，石头发出的砰砰声刺激了人群。Staring out into darkness she listened to the succession of far-off bangs and shudders from the network of pipes.
凝视着周围的黑暗，她静听着远处水管传来的持续的砰砰声震颤声。