a toilet seat的用法和样例：
- And I see a child bent on a toilet seat.
- Baldy Li, for instance, has a toilet seat plated with gold.
- You can use it repair a leaky toilet, or to fix a crack on a toilet seat.
- To Harry from Fred &George: a toilet seat, confiscated by Madam Pomfrey, however, because she felt it might not be very hygienic.
- Computing" asked a microbiologist to examine for bugs on 33 keyboards in a typical London office, a toilet seat and a toilet door handle.
- A gunman identified as Joe Jackson fatally shot 3 people and held a hostage at gunpoint in Chicago over what authorities are calling a patent dispute surrounding a toilet seat invention.