词汇 | stealth |
词根词缀 | 词源: mid-13c., "theft, action or practice of stealing," from O.E. *stælþ, which is related to stelen (see steal), from P.Gmc. *stælitho (cf. O.N. stulþr). Sense of "secret action" developed c.1300, but the word also retained its etymological sense into 18c. Got a boost as an adj. from stealth fighter, stealth bomber, radar-evading U.S. military aircraft, activated 1983. 词根记忆: n. 偷偷摸摸(steal偷)[-th表名词,通常指抽象名词] |
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