Continuous thread
[化] 连续螺纹
🧩 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
What's wrong with him?
他怎么啦？
He keeps on studying ecology.
他不断攻读生态学。
How do you do?
你好！