Thread chasing machine
[化] 螺纹车床
🧩 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）;
[建] 周镂
🗣️ 情景例句
you have a lunch appointment with Mr. Levine,
跟Levine先生约好吃午餐。
There's no such thing as a free lunch.
天下没有白吃的午餐。
I never catch anything -- not even old boots.
我什么东西也未钓到过 -- 就连旧靴子也没有。