Meaning of yán zhe:
yán zhe
沿着
Preposition
to go along; to follow
Wǒmen yánzhe xiǎolù zǒu, xīnshǎng fēngjǐng.
我们沿着小路走,欣赏风景。
We walked along the path, enjoying the scenery.
Wǒmen yán zhe zhè tiáo hé yīzhí zǒu, jiù néng dàodá nà zuò qiáo.
我们沿着这条河一直走,就能到达那座桥。
If we follow this river, we will reach that bridge.