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when(或before)the balloon goes up

更新日期:2026-08-14

词语 when(或before)the balloon goes up
释义

when(或before)the balloon goes up informal when (or before) the action or trouble starts 〈非正式〉行动(或麻烦)开始时(或之前)。 [ORIGIN: probably with allusion to the release of a balloon to mark the start of an event.]

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