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tum.ble5tQm7b6n [C]摔倒，跌交; 跌落，坠落; 倒塌，坍塌; 暴跌，急遽下降She had a nasty tumble on her way to work and grazed her arm badly.她在上班途中重重摔了一交, 胳膊擦伤得利害。(fig.) Company profits took a tumble (= were lower) last year, a spokesperson said, because of investment in new machinery.一名发言人说, 由于在新机械上的投资, 去年公司的利润急遽下降。
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