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
Let me show you this.
我给你看看这个。
I presume that this is your final answer.
我认为这就是你最后的答复。
Has it got anything to do with your present research?
报告跟你目前的研究有关吗？