在海滩上散步时，听到了远处的波浪声。

Zài hǎitān shàng sànbù shí, tīng dào le yuǎnchù de bōlàng shēng.

While walking on the beach, I heard the sound of waves in the distance.

这个湖面上有美丽的波浪起伏。

Zhège húmiàn shàng yǒu měilì de bōlàng qǐfú.

There are beautiful undulating waves on the surface of the lake.

冲浪者在大海中迎着巨大的波浪。

Chōnglàng zhě zài dàhǎi zhōng yíngzhe jùdà de bōlàng.

Surfers are facing the enormous waves in the ocean.