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
What dorm do you live in?
你住在那个宿舍？
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
What would you prefer to do?
你喜欢看点什么？