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
Could I bum some money off of you?
我能先从你那借点钱吗？
Music is his chief hobby.
音乐是他的主要业余爱好。
Please let me check the bill.
请让我核对一下帐单。