heavy sea风涛海面heavyadj.大(量)的；重的；沉重的；猛烈的Heavy Aircraft Fuel航空重燃油Heavy Wall H-beamheavy surge traffic大浪涌话务量heavy route station重路由站heavy-metal stain重金属染剂heavy plate rolling厚板轧制heavy-water probe重水靶探头heavy metal element重金属元素heavy oil reservoir稠油油藏Heavy metal residue重金属残留

1. The carpet gets very heavy wear.
   这块地毯已严重磨损。