copying ink

例句：

1. 1.The artist used a special type of copying ink to create the painting.
   这位艺术家使用了一种特殊的复制墨水来创作这幅画。
2. 2.The printer had run out of regular ink, so they had to use copying ink instead.
   打印机的普通墨水用完了，所以他们不得不使用复制墨水。
3. 3.The student copied the teacher's handwriting on the blackboard using copying ink.
   学生用复制墨水在黑板上抄写了老师的字迹。