deontology

例句：

1. 1. Deontology is the study of ethics and morals.
   道德学是研究伦理和道德的学科。
2. 2.The deontologist believes that all actions should be guided by ethical principles.
   道德学家认为所有行动都应该遵循伦理原则。
3. 3.In deontology, it is important to distinguish between right and wrong.
   在道德学中，区分对错是非常重要的。