a banana milkshake的用法和样例：
- L: Finally, we’ve got a banana milkshake.
- A plantain is similar to a banana.
- She peeled off the skin of a banana for the child.
- A banana is mainly pulp, except for its skin.
- I was unlucky to slip on a banana skin and fall over.
- The proposing tax change is likely to prove a banana skin for the government.