I keep cool by staying in the shade and not moving much.

由于我待在树荫下，不多走动，所以不热。

youdao

Let's sit in the shade and keep cool.

咱们坐在阴凉处乘凉吧。

《牛津词典》

You can apply sunscreen to children as young as age 6 months. Keep younger children in the shade as much as possible.

6个月大的孩子就可以抹防晒霜了，同时要尽可能让你的孩子待在阴凉处。

youdao

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