单词 penetrator 释义 penetrator|pntret(r)|[a. late L. penetrtor, agent-n. from penetrre: see penetrate and -or.]One who penetrates (lit. or fig.).1824W. Irving T. Trav. I. 209 A digger of Greek roots, or a penetrator of pyramids.1829Lytton Devereux iv. v...