Triangular thread
[机] 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
Yes. I have an upset stomach.
是的，我的胃很难受。
One should travel out of his own country at least once.
我们至少应该离开自己的国度去旅行一次。
Oh, sorry! This is Lucy. This is Lily. They're new. Lucy, this is my friend Jim.
噢，对不起，这是露茜，这个是莉莉。他们是新来的，露茜这是我的朋友吉姆。