Castellated shaft
[机] 栓槽轴
🧩 词语组成解析
a. 造成城形的, 构造如城的, 有城的
shaft
[ʃæft]
n. 柄，轴;矛，箭;〈非〉嘲笑;光线;
vt. 给…装上杆柄;〈俚〉苛刻的对待;
🗣️ 情景例句
And it needs your contributions of furniture,
而且也需要你捐献家具，
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
There was also a great deal of machinery on display.
参展的还有很多机器，