Knuckles
n. （指人）指关节( knuckle的名词复数 ); （指动物）膝关节, 踝\\nv. （指人）指关节( knuckle的第三人称单数 ); （指动物）膝关节, 踝
🗣️ 情景例句
What's the tuition for one year of college?
大学一年的学费是多少？
You're very cheerful today.
你今天很快活。
a ticklish business which is achieved with the aid of two tame elephants roped to the captive on either side.
这是一件棘手的事，需要在它两侧拴上两头驯服的大象才能完成。