Thread mandrel1
[机] 螺纹心轴
🧩 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
I ofter go shopping during National Day holiday.
我经常是在国庆节购物。
I'm sorry, I'm late, I got mixed up about your address.
非常抱歉，我迟到了，我把你的地址搞错了。
Dan was most surprised when he heard the news.
丹听到这个消息后，惊奇万分，