敏锐的 明察秋毫的 指声音 喊叫等 尖锐的英释中释
questions that are intelligent and penetrating.机智而尖锐的问题
a penetrating analysis of the issue.对那个问题精辟的分析
penetrating power,穿透能力；贯穿本领
penetrating agent,[化]渗透剂
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