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
I need a haircur, what would you recommend?
我要剪个发，你有什么好建议？
Danger is next neighbour to security.
危险是安全的近邻。
But no one has to muster up courage to enter a less pretentious antique shop.
而对不太装腔作势的古玩店，无论是谁都不用壮着胆子才敢往里进。