Correct

就势

/ jiù shì / 
Strokes

Definition

take advantage

Example

As an Adverb

making use of the momentum of a previous action

1
Tā
他
bǎ
把
pūgài
铺盖
fàngzài
放在
dìshang
地上
  
,
jiùshì
就势
zuò
坐
zài
在
shàngmiàn
上面
  
。

He put his bedding roll on the ground and flopped right down on it.