Correct

连串儿

/ liánchuànr /
Strokes

Example

As an Adjective

strings (of sth)

1
Liánchuànr  
连串儿
de
hóngjiāo
红辣椒

strings of red peppers

As an Adjective

peals of (sounds)

2
Yuǎnchù
远处
xiǎng
响起
liánchuànr  
连串儿
de
léishēng
雷声
  

Peals of thunder sounded in the distance.