a yell of pain的用法和样例：
- After each desperate effort it shrank with a yell of pain.
- There was a long, rolling clang, as though the washtub had been flung across the yard, and then a confusion of angry shouts which ended in a yell of pain.
- He made a yell of pain (fear).
- It swelled up louder and louder, a hoarse yell of pain and fear and anger all mingled in the one dreadful shriek.
- He twisted up with a sudden stab of pain.