Question

ultraviolet adj.紫外线的n.紫外线 (1) 臭氧层保护地球不受太阳紫外线的辐射。(2) 使用防晒霜可以保护皮肤不受紫外线的伤害。(3) 紫外线可以穿透云层。(4) 什么是红外线和紫外线？ You might hear people talk about ultraviolet light as UV radiation — it's the part of sunlight that can give you a sunburn if you're exposed to it for too long. In physics, this kind of electromagnetic radiation is defined by how long its waves are. The word itself, ultraviolet, refers to the fact that its wavelength is shorter than the violet end of the spectrum of visible light. The Latin prefix ultra means "beyond."

Accepted Answer

英 [ˌʌltrə'vaɪələt] 美 [ˌʌltrə'vaɪələt] (1) The ozone layer shields the earth from the sun's ultraviolet rays.(2) A suncream provides adequate protection against harmful ultraviolet rays.(3) Ultraviolet rays can penetrate through clouds.(4) What are infrared and ultraviolet rays? Use the adjective ultraviolet to describe light with a wavelength that's less than visible light, but longer than x-rays. You can't see ultraviolet light. 1[ADJ 形容词]紫外的；紫外线的 Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful.   [usu ADJ n]The sun's ultraviolet rays are responsible for both tanning and burning.阳光中的紫外线是皮肤晒黑和灼伤的根源。

英语单词	ultraviolet
英美音标	英 [ˌʌltrə'vaɪələt] 美 [ˌʌltrə'vaɪələt]
中文释义	adj.紫外线的 n.紫外线
英语例句	(1) The ozone layer shields the earth from the sun's ultraviolet rays. (2) A suncream provides adequate protection against harmful ultraviolet rays. (3) Ultraviolet rays can penetrate through clouds. (4) What are infrared and ultraviolet rays?
中文例句	(1) 臭氧层保护地球不受太阳紫外线的辐射。 (2) 使用防晒霜可以保护皮肤不受紫外线的伤害。 (3) 紫外线可以穿透云层。 (4) 什么是红外线和紫外线？
vocabulary简明	Use the adjective ultraviolet to describe light with a wavelength that's less than visible light, but longer than x-rays. You can't see ultraviolet light.
vocabulary扩展	You might hear people talk about ultraviolet light as UV radiation — it's the part of sunlight that can give you a sunburn if you're exposed to it for too long. In physics, this kind of electromagnetic radiation is defined by how long its waves are. The word itself, ultraviolet, refers to the fact that its wavelength is shorter than the violet end of the spectrum of visible light. The Latin prefix ultra means "beyond."
柯林斯解释	1 [ADJ 形容词]紫外的；紫外线的 Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful. [usu ADJ n] The sun's ultraviolet rays are responsible for both tanning and burning. 阳光中的紫外线是皮肤晒黑和灼伤的根源。

Ultraviolet Light Radiation Sun's Rays Wavelength Visible 英