a crow scavenging for carrion的用法和样例：
- Any of several large African storks of the genus Leptoptilos that scavenge for carrion and that have a soft white down on the underside.
- A crow is never the whiter for washing herself often.
- A crow of bloodthirsty ants is attracted by the carrion.
- A crane and a crow had made a league on oath.