[with obj.](常作 be overburdened)load (someone) with too many things to carry 使携带东西过多;使负担过重 they were overburdened with luggage. 过多的行李使他们不堪重负。 ■give (someone) more work or pressure than they can deal with 给…过多工作(或压力) ministers are overburdened with engagements. 约见部长的人太多,使他们应接不暇。
noun
[mass noun]rock or soil overlying a mineral deposit, archaeological site, or other underground feature (矿藏、古代遗迹等的)岩石覆盖;表土层 ■an excessive burden 过载物;过重负担 an overburden of costs. 过高的成本。