Deontologist
n. 道义论（伦理学的一科）学家；义务论（形容词deontological）学家 (deontology的变形)
🗣️ 情景例句
She has the ability to speak English fluently.
她能够流利地说英语。
They who cannot do as they would, must do as they can.
不能为所欲为者，也当尽力而为之。
There are some good apples over there.
那边有些好苹果。