名词中文翻译
中文翻译：指关节锥
同义词：
['knuckle', 'knuckle cap例句：1. The knuckle cone is a small', 'hard object that fits into the end of a pen.（指关节锥是一个小而硬的物体，可以插入钢笔的末端。）']
例句：
-
1. The knuckle cone is a small, hard object that fits into the end of a pen.
指关节锥是一个小而硬的物体，可以插入钢笔的末端。
-
2.The knuckle cone is used to protect the tip of the pen when writing with it.
指关节锥用于保护笔尖在写字时不被划伤。
-
3.The knuckle cone is also used as a decorative element on some types of pens.
指关节锥也是某些类型钢笔上的装饰元素。