下单的英文：
order
place an order

参考例句：

Since your price is too high to be acceptable we have no alternative but to place our order elsewhere.
因为你方价格太高,我们不能接受,因而只能在其它地方下单。

The lead time between chip orders and delivery is two months or more.
芯片自下单到交货大约需要两个月或者更长的时间。

order是什么意思：
n. 为了做某事；顺序；命令；点的饭菜；法院指令；汇票；等待队列；治安，秩序
v. 点菜，订购；命令；有效地安排

To repeat an order
继续订货、再次订购

external ordering
外次序

You have to take orders.
你必须服从命令。

The Order of the Garter is an ancient order of chivalry.
嘉德勋位是古老的骑士勋位

An inactive order. It is not a tradable order unless user activates the order, place to the market.
无效指示。表示预先输入的交易指示,除非将此指令生效否则不会递交给市场。

place是什么意思：
n. 住所；座位；场所；地方；名次；社会地位；位；职位
v. 放置；投资；任命；名列前茅

To place on or as if on a blacklist.
把…列入或似把…列入黑名单

A place for everything, and everything in its place.
物物齐备，井井有条。

The soupspoon is placed on the right - hand side of the place setting .
汤匙放在餐位餐具的右手边。

The picture varied in detail from place to place.
这张照片从细部看很不一样。

Travelling from town to town,place to place,etc
从一城到另一城、从一地到另一地