It'll be a cool afternoon.

将会是个凉爽的下午。

Cool air from the ocean to the southward.

从海洋吹向南面的凉爽的风。

The blissful caress of cool cotton sheets.

凉爽的棉布床单贴在身上的温馨感。

I feel like a nice cool glass of lemonade.

我想喝杯凉爽的柠檬水。

It was not that hot and we had a cool breeze as we cycled downhill.

天气没有那么热，我们骑车下坡时有凉爽的微风。