It's part of a small knot of galaxies we call — in long, boring astronomical nomenclature tradition — the Local Group.
它是一个小的星系结的一部分，我们称之为——依旧遵循冗长乏味的天文学命名传统——本星系群。
Small knot
原声例句
Crash Course 天文篇
《卫报》（文章版）
There was a stab wound in his stomach and a small, hard knot on the flesh of his leg, where he had been shot.
他的肚子上有一个刺伤，腿上的肉有一个小的硬结，那是他被枪击的地方。
7.哈利波特与死亡圣器
Harry hurtled around a corner and found Fred and a small knot of students, including Lee Jordan and Hannah Abbott, standing beside another empty plinth, whose statue had concealed a secret passageway.
哈利快速转过一个弯，遇到了弗雷德和一小队学生，其中有李? 乔丹和汉娜? 艾博特，他们站在另一个空底座的旁边，那个塑像下隐藏着一个秘密通道。
英语百科
Small knot
The small knot, or oriental knot or Kent knot, is the simplest method of tying a necktie, though some claim the simple knot is an alternate name for the four-in-hand knot. The small knot is not very well known despite its simplicity. One of the reasons may be the fact that the small knot is not self-releasing, and may annoy people accustomed to four-in-hand and Windsor knots who pull at the tie to untangle the knot. Additionally, some prefer that, if the thin end of the tie should become visible, that it not be "inside out," and the small knot will be this way (this can be remedied by twisting the tie one half turn while tying).
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