fountain pen ink

例句：

1. 1. The artist used a fountain pento write his name on the paper.
   艺术家用钢笔在纸上写下他的名字。
2. 2. Thewriter prefers using fountain pen inkfor their writings.
   作家更喜欢使用钢笔墨水进行写作。
3. 3. The old man kept afountain pen ink bottle as a memento of his childhood.
   老人保留着一个钢笔墨水瓶作为他童年的纪念品。