a nuclear physicist的用法和样例：
- This old man is a famous nuclear physicist.
- So far, I have been out with several men in their twenties, including a nuclear physicist who was quite geeky, and one who lied about his age and turned out to be just 20.
- They decided to establish a nuclear power station.
- One who prepares a nuclear weapon for release.
- An atomic or a nuclear bomb. Used with the.