Correct

连串儿

/ liánchuànr / 
Strokes

Example

As an Adjective

strings (of sth)

1
Liánchuànr  
连串儿
de
的
hónglàjiāo
红辣椒

strings of red peppers

As an Adjective

peals of (sounds)

2
Yuǎnchù
远处
xiǎngqǐ
响起
liánchuànr  
连串儿
de
的
léishēng
雷声
  
。

Peals of thunder sounded in the distance.