Correct

绵延

/ miányán /
Strokes

Definition

continuous (esp. of mountain ranges)/to stretch long and unbroken/a continuous link/sostenuto (sustained, in music)

Example

As a Verb

(of mountain ranges, land, etc) stretch long and unbroken; be continuous

1
Chángchéng
长城
cóng
dōng
xiàng
西
hàochēng
号称
miányán
绵延
wàn
万里
  

The Great Wall is said to stretch ten thousand li from east to west.

2
Miányán
绵延
shù
bǎi
gōng
公里
de
shā
沙漠

desert stretching/extending for hundreds of kilometres

3
Miányánduàn
绵延不断

continuous and unbroken