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
Excuse me.
失陪。
Of two evils choose the least.
权衡两害，取其轻者。
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。