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
And there's so much to do.
而且这里总是有许多事可做。
Their angry glare frightened the women.
他们因愤怒而瞪大了眼睛，使那妇人吓坏了。
This is only the first half.
这才是上半场呢。