Dicvo

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penetration

/pɛnətreɪʃən/

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1 · noun

the act of going into or through something

穿透;渗透

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The glass reduces the penetration of harmful ultraviolet light.

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这种玻璃能减少有害紫外线的透入。

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Pronunciation: /pɛnətreɪʃən/

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