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...
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。Don't say it serves me right or I'll thump you.别说我活该，不然让你尝尝我的拳头。The dog let his head thump on the floor again.那只狗又用头撞地板。...
The main products of the company: Tetrabromobisphenol A, brominated epoxy.公司主要产品品种: 四溴双酚A 、 高分子溴化环氧阻燃剂.A new method for determining the bromine content in brominated polystyrene was studied.提出了测定溴化聚苯乙烯中溴含量的方法.The sample ...