heavy axe大斧子heavyadj.大(量)的；重的；沉重的；猛烈的heavy-duty equipment大型设备heavy-density medium重密度介质heavy turning movement繁密的转弯交通heavy-weight process重权进程heavy-load transport重载运输heavy mining equipment重型矿山设备heavy wall type funnel厚壁漏斗heavy metals detection重金属检测Heavy Bombardment Wing重型轰炸机联队heavy-metal castings[机] 重金属铸件

1. The bridge was supported by heavy iron chains hanging from two towers.
   这座桥是由系在两座桥塔上的粗大铁链支承的。