Trapezidal thread
[机] 梯形螺纹
🧩 词语组成解析
[机] 梯形的
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
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
One cannot eat one's cake and have it.
事难两全其美。
But he has not promised to give you any of his blood.
但是他并没有答应给你他身上的任何一滴血。