Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.
臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。
An eclipse of the sun occurs when the moon passes directly between the sun and the earth, screening part or all of the sun's disk.
当月亮直接从太阳和地球之间经过，遮住太阳一部分或全部时，日食便发生了。
This special solar umbrella for cars essentially has a function of effective shading and sun-screening of the car body parking under the sunshine.
这种轿车专用太阳伞，其主要能够对停放在阳光暴晒下的轿车车体起到有效遮光防晒的作用。
This special solar umbrella for cars essentially has a function of effective shading and sun-screening of the car body parking under the sunshine.
这种轿车专用太阳伞，其主要能够对停放在阳光暴晒下的轿车车体起到有效遮光防晒的作用。
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