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更新日期:2026-08-14
fall back on/upon1.依靠;使用:When the poor craftsman was old,he had to fall back on his hands for living.当那位穷工匠老了的时候,他不得不靠他的双手谋生。2. 求……的支持;求助于:The man was in trouble,he fell back on his friends to get him out.那人陷入了困境,他求助于他的朋友们来解救他。