Knuckle arm
[机] 转向节臂, 羊角臂
🧩 词语组成解析
knuckle
[['nʌkəl]]
n. 指节, 蹄爪, 膝关节\\nv. 以指节打, 以手指射
arm
[ɑrm]
n. 臂;武器;[复数]战事;权力;
vi. 准备（斗争），准备行动（against）;
vt. 装备（防御工事）;准备（攻击或迎击）;配备;防护;
🗣️ 情景例句
Who has torn these pages out of the book?
谁撕掉书上的这几页？
She is scared to death.
她吓得半死。
We can make the price lower if you would order a bit more.
如果你单子下多一点，我们可以减价。