heavy sky阴天heavyadj.大(量)的；重的；沉重的；猛烈的heavy cooking pot with bail提环炊用锅heavy rainfall from typhoon台风暴雨Heavy Antiaircraft Regiment重型高炮团heavy and chemical industry重化工业Heavy rain in Songnen Plain松嫩平原暴雨Heavy traffic delayed us.交通堵塞使我们迟到了heavy metal chelating agent重金属捕集剂Heavy metal screen on urine尿中重金属筛查heavy metal capturing agent重金属捕集剂heavy copper multilayer PCB厚铜箔多层板