Spacing collar
[化] 定距环
🧩 词语组成解析
spacing
['speisiŋ]
n. 间隔，间距;跨距;疏密;留间隔;
🗣️ 情景例句
Her latest work is a masterpiece.
她是了新的作品是一件杰作。
What we are ignorant of is immense.
我们不知道的东西多得不可胜数。
and the profits from the exhibition were used to build museums and colleges.
博览会的赢利用来建造博物馆和高等学校。