1819, in cricket, from back (adj.) + stop (n.). In U.S. baseball, from 1889, "fence behind the catcher;" figurative extension to "catcher on a baseball team" is from 1890. The verb is attested from 1956 in the sense of "support." Related: Backstopped; backstopping.
实用例句
1. Most reform proposals to date, however, still envisage a permanent federal backstop.
然而到目前为止的所有改革提案都仍然假设政府会永久性地托盘.
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2. He acted as a backstop in case anything went wrong.
他充当棒球捕手,以防出现任何差错.
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3. The government recently introduced an insurance program to backstop money funds.
