Metric (screw) thread
[化] 公制螺纹
🧩 词语组成解析
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
After my wife died,
我妻子去世后，
At open doors dogs come in.
狗从开着的门中进来。
It's hard to say.
难说。