He heard his heart thump dully but more quickly.他听见低沉的心跳声，跳动的速度却更快了。There was a loud thump as the horse crashed into the van.马撞在货车上发出砰的一声巨响。The plank fell on the ground with a thump.砰的一声,木板倒下来了.The dog let his head thump...
建造工人必须把新建房屋的屋顶固定得更牢靠些。Builders must fasten down roofs of newly-built homes more securely.地面摇晃，周围房屋的墙体在他们身边倒塌。The earth shook and the walls of neighbouring houses fell around them.许多房屋的卖主仍然陷在经济衰退的困境中。Many home sellers rem...