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
Where can I find the information desk?
咨询台在哪儿？
Example is better than precept.
言教不如身教。
Haley jumped up and cried, That was my ancestor.
哈利跳起来叫道，“那就是我的祖先。”