thermal power stations.

热电站。

Volcanic activity has created thermal springs and boiling mud pools.

火山活动形成了温泉和沸腾的泥浆池。

thermal underwear.

保暖内衣。

My feet were like blocks of ice despite the thermal socks.

我的双脚尽管穿着保暖袜，还是冻得像冰块。

Have you got your thermals on?

你穿上保暖衣了吗？

Birds use thermals to lift them through the air.

鸟类利用上升的暖气流升空。