a pen and ink drawing的用法和样例：
- The website provides pen and ink drawings of Western North American plants by botanical artist Mimi Kamp, in both jpeg format (for monitor viewing) and gif format (for computer printing).
- He took a pen and struck out two paragraphs from his essay.
- In addition to an album, I gave him a pen and a pencil.
- She lined the white paper with a pen and a ruler.