油墨轮

例句：

1. 1. The printer needs a fresh supply of ink to print the documents.
   打印机需要新鲜的墨水来打印文件。
2. 2. The ink on his pen is smudged.
   他的钢笔上的墨水被弄脏了。
3. 3. Inkjet printers are faster and more economical than laser printers.
   喷墨打印机比激光打印机更快且更经济。