Constellation

A constellation is a group of stars that are connected together to form a figure or picture. The term is also traditionally and less formally used to mean any group of stars visibly related to each other, if they are considered as a fixed configuration or pattern in a particular culture.

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　　zodiac sign是星座（黄道）的意思.
What's your zodiac sign? 就可以了

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　　一般习惯的说法是 What's your horoscope?

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　　what's your star sign?
我觉得这个更口语一些吧。

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　　what is your horoscope?

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