这个三星符号是没有被官方确认的星座。
An asterism is a star formation that is not an officially recognized constellation.
这几颗明星构成了被称为夏季大三角的巨大三星符号。
These brilliant stars make up the huge asterism known as the Summer Triangle.
一个三星符号是星星组成的一种图案，而不是一个星座。
An asterism is a pattern of stars that is not a constellation.
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