typewriting ink

例句：

1. 1.The typewriter ink is essential fortyping documents.
   打字机墨水对于打字文档至关重要。
2. 2. The typewriter ink was usedto create the first computer programs.
   打字机墨水被用来创建了第一个计算机程序。
3. 3.The typewriter ink was a popularchoice for students who wanted to practice theirtyping skills.
   打字机墨水是学生们练习打字技能的热门选择。