UV light
ultraviolet radiation
sunlight
sunburn
1. Ultraviolet light from the sun can cause skin damage.
来自太阳的紫外线会导致皮肤受损.
2. Many bacteria can be killed by ultraviolet light.
许多细菌可以通过紫外线杀灭.
3. The scientist is studying the effects of ultraviolet light on plants.
这位科学家正在研究紫外线对植物的影响.
A: Why should I wear sunscreen?
A：我为什么要涂防晒霜？
B: To protect your skin from harmful ultraviolet light.
B：为了保护你的皮肤免受有害紫外线的伤害。
1) 位于可见光下方的电磁波
2) 常用于消毒和杀菌的技术手段
3) 太阳辐射的重要组成部分
1. 紫外线
e.g.Ultraviolet light is invisible to the human eye.
人眼看不见紫外线。
noun
1. Electromagnetic radiation with a wavelength shorter than that of visible light.