英语词汇“pin down sth”的意思、释义、用法及双语翻译-时代网

词汇	pin down sth
释义	请查阅词条:pin somebody/something ↔ down
随便看	ultrasonic ultrasound ultraviolet um umami umbrage umbrella umpire umpteen umpteenth un- UN 'un unabashed unabashedly unabated unable unacceptable unacceptably unaccompanied unaccountable unaccountably unaccounted for unaccustomed unachievable 适时适用适逢其会适量适销适龄逃逃之夭夭逃亡逃兵逃反逃命逃奔逃学逃席逃散逃汇逃犯逃生逃票逃离逃税逃窜逃脱逃荒

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