n. (often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed
n. a degree in a continuum of size or quantity
n. established customary state (especially of society)
n. a commercial document used to request someone to supply something in return for payment and providing specifications and quantities
n. 次序, 规则, 命令
vi. 命令, 定货
vt. 整理, 命令, 定购
n. 顺序, 阶数
[计] 顺序, 阶数
1. I would like to order a pizza for dinner.
我想点一份比萨作为晚餐。
2. Please place your order at the counter.
请在柜台下单。
3. She ordered a new book online.
她在网上订购了一本新书。