Knuckle of coupler
[机] 关节联结器
🧩 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
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
coupler
['kʌplə]
n. 连结者，配合者;车钩;
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
I hope you have a good time on your trip.
我希望你在你的旅行上过得愉快。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。