Conical roller
[机] 锥形滚子
🧩 词语组成解析
a. 圆锥形的, 圆锥的\\n[计] 圆锥的
🗣️ 情景例句
Are you good at taking photos?
你拍照拍得好吗？
He is wise that knows when he's well enough.
知足的人是聪明的人。
Why did you move there?
为什么搬到那里去？