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...
任何有较强重力的物体都会对其他物体产生引力。Anything with strong gravity attracts other things to it.重返大气层的航天器受到重力的作用。Spacecraft which are re-entering the earth's atmosphere are affected by g forces.由于重力的关系,苹果往下掉.An apple falls down beca...
哪个校长只要犯了这样的错误都会被开除。Any head teacher who made errors like this would be chucked out.5,000多名中学生因为作弊被开除。More than five-thousand secondary school students have been expelled for cheating.学校开除了数量空前的难以管教的小学生。Schools are bootin...