Keep in the shade; it's cooler.

你就待在阴凉处吧，那儿比较凉爽。

youdao

We keep in the shade because it is very hot.

因为天气太热，我们一直呆在阴凉的地方。

youdao

Let's sit in the shade and keep cool.

咱们坐在阴凉处乘凉吧。

《牛津词典》

If you keep your algae in ponds the rays do not always strike them at the best angle and the algae sometimes shade one another if they are growing densely.

ECONOMIST: Biofuels are back. This time they might even work