a school of fish的用法和样例：
- Who suffocated in the dark lake but was saved by a school of fish.
- A school of small fish were swimming in the pool.
- He graduated from a school of crafts and arts.
- An arrangement of barbless hooks that is dragged through a school of fish to hook them in their bodies.
- She attended a school of dress design.
- A school of fish swims over a coral formation in the Tuamotu Archipelago of French Polynesia.