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penetration

英/pˌɛnɪtɹˈeɪʃən/
美/ˌpɛnəˈtɹeɪʃən/
01n.

穿透, 渗透, 侵入, 识穿, 洞察(力)

an attack that penetrates into enemy territory; clear or deep perception of a situation; the act of entering into or through something