Correct

排空

/ páikōng /
Strokes

Definition

to fly up to the sky

Example

As a Verb

shoot up into the air; soar aloft

1
大批
dǎodàn
导弹
páikōng
排空
ér
guò
  

Volleys of missiles flew overhead.

As a Verb

empty; drain

2
shuǐ
水库
de
shuǐ
pái
kōng
  

Empty the reservoir.