a work surface的用法和样例：
- As soon as food comes into contact with a work surface, the micro-organisms that lurk everywhere try to proliferate on it.
- He gets a work that gives scope for his abilities.
- As a work of art it is very poor.
- A long,narrow padded board,often with collapsible supporting legs,used as a working surface for ironing.
- You can't work here without a work permit.