conversancy

例句：

1. 1. He has aremarkable conversational ability that makes him standout from the crowd.
   他拥有非凡的交谈能力，这使得他在人群中脱颖而出。
2. 2. She isan expert in her field and has avast knowledge of history.
   她在她领域内是专家，对历史有深厚的了解。
3. 3. Thescientist's skillful manipulation of theequipment was impressive, showcasing hisconversancy with the technology.
   科学家熟练操作设备的能力令人印象深刻，展示了他对技术的精通。