1.greet v.问候,迎接,招呼→greeter n.(餐馆、商店等处的)门迎,迎宾→ greeting n.问候,招呼;祝贺
2.stair n.楼梯→ upstairs adv.在(或向)楼上adj.楼上的→downstairs adv.在(或向)楼下adj.楼下的
3.load n.某物的量 v.装载→unload v.卸载→download v.下载→overload v.超载
4.fold v.折起→unfold v.展开→folding adj.可折叠
5.sculpt v.雕刻,雕塑→sculptor n.雕刻家,雕塑家→sculpture n.雕刻品,雕塑品
6.exhibit v.展览→exhibitor n.参展商→exhibition n.展出,展览