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词汇 agent
词源

agent n.

late 15c., "one who acts," from Latin agentem (nominative agens) "effective, powerful," present participle of agere "to set in motion, drive forward; to do, perform; keep in movement" (from PIE root *ag- "to drive, draw out or forth, move").

The meaning "any natural force or substance which produces a phenomenon" is from 1550s. The meaning "deputy, representative" is from 1590s. The sense of "spy, secret agent" is attested by 1916.

agent adj.

"acting, sustaining action," 1610s, from agent (n.).

updated on September 15, 2022

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更新时间:2025/5/2 8:16:51