Seek shade when UV rays are the most intense, but keep in mind that shade structures such as trees, umbrellas or canopies do not offer complete sun protection.

当紫外线最强时，应寻找遮阳处。但要切记，树、伞或遮篷的遮阳结构不能起到完全防晒作用。

youdao

Beijing plane trees should be thick or less, or perhaps exposure to the sun down so warm.

北京的梧桐树应该还是那么粗大，照射下来的阳光或许还是那样温暖。

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Then we will be able to replenish ourselves with young trees into the future, and one will have adequate shade from the hot sun and warmth from the cold rain or snow in our presence.

这样我们就可以将小树在未来补充我们自己，且人们在有我们的地方就会有阴翳来遮挡炎热的太阳和寒冷的雨雪。

youdao

The sun rarely shines. The leaves on the trees are brown or have fallen to the ground.

VOA: special.2009.01.26

The canopy created can block the sun and stunt or kill many of the younger trees, adding to the fire hazard.

FORBES: Fact and Comment

The house itself had an open-air courtyard, intimately connected to the gardens and the sea by large rooms that could be opened in such a way that no walls interrupted the flow of people or air from the patios to the courtyard, which was filled with sun and palm trees.

WSJ: An American Renaissance Gem