a successful or important person, company or thing, that has a lot of influence 重要人物；有影响力的人物、公司或事物◆technology/software/oil heavyweights 有影响力的技术／软件／石油公司◆He transformed the company into a global gas and power heavyweight. 他将公司转型成为一家在全球有影响力的天然气及电力企业。◆the appointment of several heavyweights to the Board 几个重量级人物进入董事会的任命
a thing, material, etc. that weighs more than usual 特别重的物品、材料