heavyweights的音标：...

Now and then they heard the roar of a heavy truck.他们不时地听到大卡车的轰鸣声。A variety of heavy industries grew up alongside the port.各种重工业沿着港口逐渐发展起来。...a sharp short-lived storm with heavy hail.一阵短暂的大雹暴We can not make heavy concess...