Tri-angular thread
[机] V形螺纹, 三角螺纹
🧩 词语组成解析
[计] 三
angular
['æŋgjulə]
adj. 有角的;用角测量的，用弧度测量的;生硬的，笨拙的;（人）瘦削的;
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
Grandpa, when did Dad graduate from Michigan?
爷爷，爸爸是什么时候从Michigan毕业的？
I hope I'm not in the way.
我希望没有造成妨碍。
After her husband had gone to work.
理查兹夫人等丈夫上班走后，