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| 单词 | penetration |
| 释义 |
penetration [ˌpen.ɪ'treɪ.ʃən] noun uncountable MOVEMENT INTO 穿透 ■a movement into or through something or someone 进入；穿透 •Sunscreens can help reduce the penetration of ultraviolet rays into the skin.防晒乳可以减少紫外线穿透皮肤。 •The company is trying to increase its penetration of the market.该公司正在努力扩大其市场占有率。 ■the act of a man putting his penis into his sexual partner's vagina or anus during sexual activity （性交时阴茎的）插入[ˌpen.ɪ'treɪ.ʃən] noun uncountable UNDERSTANDING 理解 formal ■someone's ability to understand quickly and well 洞察力 |
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