膝盖用英文怎么说怎么写

膝盖在英语中被称为 "knee." 它来自古英语中的 "cnēo," 其本意为 "膝盖" 或 "膝关节."

一些英文例句和中文翻译如下：

He fell and hurt his knee. 他摔倒了，膝盖受伤了。
She has a knee injury and can't run. 她的膝盖受伤了，不能跑步。
He needs surgery on his knee. 他的膝盖需要手术。