abseil sling and crab method的用法和样例：
- This lobster and crab basket is so big!
- The predecessors of the big catapults were the sling and the bow.
- Tina： I'm in the mood for seafood. Do you like shrimp and crab?
- Mix egg whites and milk. Add seasoning and crab meat and mix well.
- I often go to the beach to catch shrimps and crabs.