基本解释adj.超重的(超功率的)同根派生 extraheavy相关词英汉例句For sewing on fine or extraheavy material, such as shirt, suit, jeans, plastic, leather . 1、特殊设计缝纫元件机构,对于各种布料之缝制均能获得理想、满意的车缝效果。extraheavy更多例句