payload/ˈpeɪ.loʊd/名词(运输工具的)净载重量,有用载重量;(导弹的)有效载荷,有效负荷The payload of the truck was 2 tons, so it could easily transport the shipment of goods to the warehouse.卡车的有效载荷为2吨,因此可以轻松地运输货物到仓库。想跟读,去练习