Correct

下单

/ xià shàn / 
Strokes

Definition

to place an order/to order/an order (of goods)

Example

As a Verb

place an order; order

1
Wǒ
我
gāi
该
zěnme
怎么
xiàshàn
下单
  
?

How can I order this?

2
Zàixiàn
在线
  
/
wǎngshàng
网上
xiàshàn
下单

order online; online orders

3
Chóngfù
重复
xiàshàn
下单

double order; repeat order

4
Xiàshàn
下单
dìnghuò
订货

place orders