英语语法分析

It is the brightest star at the left of this well-composed starry mosaic spanning about 23 degrees across the northern sky asterism dubbed the Little Dipper.

它是这张精心构图的星图左侧最亮的恒星，横跨北部天空偏星约23度，被称为小北斗星。

These brilliant stars make up the huge asterism known as the Summer Triangle.

这几颗明星构成了被称为夏季大三角的巨大三星符号。

The famed Teapot asterism, part of Sagittarius, appears to be pouring tea from its spout towards the horizon.

著名的茶壶星群是射手座的一部分，看上去像是正在朝着地地平线倒茶。