a ten-year-old boy的用法和样例：
- What do you suggest for a ten year old boy?
- The fence is so low that even a ten years old boy can stride it.
- Cocoa is a ten year old poodle and I am a sixty nine year old lady,so you can see we both qualify as senior citizens.
- Kudrow gets fed up with being considered in real life to be as dippy as her on-screen character, Phoebe. "People talk slower to me, as if I were a ten year old", she reveals.
- Cocoa is a ten years old poodle and I am a sixty nine year old lady, so you can see we both qualify as senior citizens.