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
Oh, sorry. There must be some mistake.
哦，抱歉，一定是弄错了。
Are you doing anything special?
你们有什么特别的安排吗？
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。