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词汇 clamp-down
词源

clamp-down n.

also clampdown, 1940 in the figurative sense "a firm, oppressive or harsh suppression or preventive action," from verbal phrase clamp down "use pressure to keep down" (1924). The verbal phrase in the figurative sense is recorded from 1941. See clamp (v.) + down (adv.).

updated on December 16, 2017

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