Joints knee
[医] 膝关节
🧩 词语组成解析
n. 关节；连接, 接头；运动付（joint的复数形式）
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
🗣️ 情景例句
He's writing to invite me
他写信邀请我
You have to change at chicago station.
你必须要在芝加哥站转车。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？