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
What's eating you?
什么正影响着你的情绪呢？
I learned geography last week.
我上星期学地理。
You must give the other half to the city of Venice.
你必须把另一半交给威尼斯城。