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run-down (adj.)
[run-down 词源字典]
1866, of persons, with reference to health, from verbal phrase, from
run
(v.) +
down
(adv.). From 1896 of places; 1894 of clocks. Earliest sense is "oppressed" (1680s).
[run-down etymology, run-down origin, 英语词源]
[run-down 词源字典]