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
Well, this unit here on display is a full scale assembly of our latest machine.
哦，这里所展示的这一部是本公司最新机器的全套设备。
Never do things by halves.
做事情不要半途而废。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。