We'll put all the heavyweights at the bottom of the pile.我们会把所有比较重的东西放在最底层。Their company is one of the industry's heavyweights.他们的公司是行业巨头之一。Intellectual heavyweights will be debating what is one of the most important issues or our time.知识界重要人物将对当代最重要的问题之一进行讨论。