on prep.在...之上；由...支撑着；在（某一天）；关于；基于adv.穿着；向前（移动)；表示持续性adj.表示已连接、处于工作状态或使用中；发生；值班
order n.顺序；条理；订单；命令；秩序；阶层；[生]目；点的东西v.命令；定购；调整；整理；点餐；预定，订货
双语例句
The capital of Delaware, in the central part of the state. Founded in1683 on orders from William Penn, it became capital in1777. Population, 27,630. 多佛尔位于美国特拉华州中部的首府。建城于1683年，当时受威廉·潘管辖，1777年成为首府。人口27, 630
Please send me the articles on order by goods. 请将我所订的货物经铁路运来。
Several out- of- stock items have been on order for week. 几个星期以来一直有人订购几种脱销的产品。
