a toilet brush的用法和样例：
- In my next life, I'm coming back as a toilet brush.
- Oh, man. In my next life, I'm coming back as a toilet brush.
- Clean with a toilet brush and a 1:99 diluted household bleach solution.
- He washed his hands with a toilet soap.
- Jane made a toilet before going to the party.
- Flush a toilet; flush a wound with iodine.