Definition

Examples

• 太阳发出紫外线，对人体有伤害。
  Tàiyáng fāchū zǐ wài xiàn, duì réntǐ yǒu shānghài.
  The sun emits ultraviolet rays, which are harmful to the human body.
• 这个眼镜能阻挡紫外光。
  Zhège yǎnjìng néng zǔdǎng zǐ wài guāng.
  These glasses can block ultraviolet light.
• 很多护肤品都标有紫外防护指数。
  Hěnduō hùfūpǐn dōu biāo yǒu zǐ wài fánghù zhǐshù.
  Many skincare products are labeled with a UV protection factor.