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n.翻筋斗者；转臂；（机枪的）机心；（玩具）不倒翁 变形： 复数：tumblers 英英释义： tumbler[ 'tʌmblə ]n.a gymnast who performs rolls and somersaults and twists etc.a glass with a flat bottom but no handle or stem; originally had a round bottoma movable obstruction in a lock that must be adj
