Trees produce natural chemicals, called isoprene and terpene, that are thought to protect their leaves from too much heat and sunlight.

树木分泌的天然化学物质异戊二烯和萜烯被认为可保护树叶免受过多热量和阳光的伤害。

youdao

The extraction of red pigment from red sweet pepper with methanol was reported. Effect of the PH value, heat and sunlight on the stability were researched in depth.

本文报道了采用甲醇从红甜椒中提取甜椒红色素的工艺，并对P H值、光、热等因素对其稳定性的影响，作了较深的研究。

youdao

Start with the pollution most cities have, nitrogen oxides and hydrocarbons from tailpipe emissions and smokestack pollutants, mix in the heat and sunlight, and you get ozone.

而制造污染的是汽车尾气和烟囱排出的氮氧化合物和氮氢化合物，它们在高温和阳光下混合，就会产生臭氧。

youdao

Mister Chu said sunlight,and its heat, will bounce off a white colored roof.

VOA: special.2009.06.19

Ozone is the product of these gases' participation in a complex series of chemical reactions where sunlight and heat act as catalysts.

BBC: London's clue to stubborn ozone levels

Would we be better off if we could run our cars on water rather than gasoline, and fly our airplanes without any fuel, and heat our homes with sunlight?

FORBES: The FCC, Jobs And Rainbow Stew

In this gallery, the sensation of shimmering sunlight and indolent heat, an inner haze from luncheon wine counterpointed by the crisp linen day dresses on display, really does place us in the afternoon of French civilization, a Paris still primal.

WSJ: A Rustling Theater of the Self | Impressionism, Fashion, and Modernity | Metropolitan Museum of Art | By Laura Jacobs