Correct

连环

/ liánhuán / 
Strokes

Definition

chain

Example

As a Noun

chain of rings

1
Liánhuánliàn
连环链

hoop-linked chain

As an Adjective

serial

2
Liánhuán
连环
móushā
谋杀

serial murders

3
Liánhuán
连环
bàozhà
爆炸

a series of blasts