问题描述：
英语字谜,
I always have a round face I have no arms but three hands They turn round and round I have no feet or legs But I can go all day and all night To tell the time What am
I always have a round face I have no arms but three hands They turn round and round I have no feet or legs But I can go all day and all night To tell the time What am
问题解答：
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