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rack的一般过去时为：racked...
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rack的第三人称单数（三单）为：racks...
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rack的音标：rack的英式发音音标为：[ræk]rack的美式发音音标为：[ræk]...
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rack的复数形式为：racks...
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My rucksack was too big for the luggage rack.我的背包太大了，行李架上放不下。Turn the cake the right way up on to a wire rack.把蛋糕翻到合适的方向对准金属丝架上。The old house soon went to rack and ruin.这所旧房子很快就毁坏了....
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rack的现在进行时为：racking...
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rack的现在完成时为：racked...
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Don't think this job a piece of cake. You'll have to rack your brains once you start on it.别以为这工作是易如反掌的事, 你做了就知道它是很伤脑筋的.Turn the cake the right way up on to a wire rack…把蛋糕翻到合适的方向对准金属丝架上。I took the key for the ...