A crab louse的用法和样例：
- A crab louse.
- A crab nipped my toe while I was paddling.
- It was his misfortune to catch a crab in the last spurt.
- A crab was left stranded on the beach when the tide ebbed.
- Is crab louse very serious? This ill good treatment?
- A crab nipped my toe while I was swimming .
A crab louse的相关资料：