V thread
[机] V形螺纹, 三角螺纹
🧩 词语组成解析
thread
[θrɛd]
n. 线;线索;线状物;螺纹;
vt. 穿成串;将（针、线等）穿过…;用…线缝;给…装入（胶片、狭带、绳子）;
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
Reason is the guide and light of life.
理智是人生的响导和光辉。
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。