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althoughrn引导让步状语从句,意为“虽然;尽管”,可和though互换使用,但两者均不可与but连用. 例如:rnAlthough he is very old , he still works very hard . 他虽然年纪大了, 但仍然很努力工作.rnThough it was raining, we went there. 尽管天下着雨,但我们还是去了那儿.