penetration /ˌpɛnəˈtreɪʃən/ noun plural penetrations
plural penetrations
Learner's definition of PENETRATION
1
: the act of going through or into something : the act of penetrating something刺穿;穿透;渗透 [noncount]
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Cuts in the skin could permit the penetration of bacteria into the body.皮肤的伤口会导致细菌侵入体内。
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the penetration of the CIA by foreign agents外国特工对美国中央情报局的渗透
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the penetration of the U.S. market by a foreign company一家外国公司对美国市场的打入
[count]
2
[noncount] formal : an ability to understand things clearly and fully洞察力;敏锐