ultraviolet screen造句

"ultraviolet screen"是什么意思

造句与例句手机版

Little's conclusion, faced with this enigma, is to look for a cause in the general state of air pollution, acid rain, greenhouse effect, ultraviolet damage or ozone poisoning ( ozone is an enigma in itself, being corrosive down here on Earth and a natural ultraviolet screen in the upper atmosphere ).
It's difficult to see ultraviolet screen in a sentence. 用ultraviolet screen造句挺难的

相邻词汇

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