He was in his wetsuit, surfing alone in the 30-degree weather, the only other person on the beach.

他穿着游泳服，在30度的天气独自冲浪，是海滩上出我之外唯一的人。

youdao

I'd been alone in Arica, an out-of-season beach town on the Chile/Peru border, for over two days.

我一个人呆在阿里卡已经有两天了，这是一个位于智利与秘鲁边界的海滨小镇，现在已经不是游客蜂拥的季节了。

youdao

Only reefs stand alone immutably on the beach after a typhoon.

台风过后，海滩上只有那些礁石岿然独存。

youdao

And in the lagoon at Tahiti six white wreaths lay all alone, washing in and out, in and out with the wavelets on the beach.

CNN: The Kon-Tiki: Crossing an ocean on balsa

Alone and weak from thirst, he stumbles down to the shore, tastes the salt water, and collapses on the beach.

BBC: The ghostly shore of Namibia��s Skeleton Coast