“指节”造句

她的手握得越来越紧，指节都变白了。
Her knuckles whiten as she clenches her hands harder.

细小的、柔软白皙的指节,法文该怎么说?
How do you say blond little cushioned knuckles in French?

这男孩擦去了指节上的皮.
The boy scraped the skin off his knuckles.