Examples
tiě铁hé和yǎng氧dōu都shì是huà xué化学yuán sù元素。
铁和氧都是化学元素。
Iron and oxygen are elements.
平流层的臭氧会吸收紫外线。
The ozone in the stratosphere absorbs ultraviolet radiation.
随氧化变成蓝色，最终呈现出鲜艳的红紫色。
As it oxidizes, the color turns blue and finally becomes a brilliant reddish-purple hue.