题目内容：

fall相关短语〕

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fall about1.笑得无法自制fall away1.疏远2.消失fall behind1.落在...后面fall down1.失败fall for1.迷恋2.上...的当fall in1.坍塌2.排队fall in with1.偶然遇到2.赞同fall off1.(数量)减少2.(势力、地位等)降低3.脱...