Who can tell me the difference between these English words?

The ability or strength to do physical, mental or mechanical work. Common words refer to people's innate or acquired abilities.

He is capable of doing the work. He is capable of doing the work. A machine with heavy-load copying capability can handle heavy-load machines.

The ability to produce, experience, understand or learn. Emphasis refers to people's potential ability, usually not physical strength, but intelligence, especially the ability to accept and understand.

This book can be understood by younger readers. This book can be read by young readers.

The quality and ability to do something; An untapped talent or quality. Used for people, it refers to the ability to be competent for a specific job, and also refers to the potential ability you have but have not yet developed. Often used with of or f or.

You have the ability to do this job well. You have the ability to do this job well. As a writer, he is very talented. He has great potential as a writer.

Competency. Competency. Formal words, focus on teaching people satisfactory business ability and level, and meet the requirements of being competent for a certain job.

No one doubts her ability as a teacher. No one doubts that she can become a teacher. Ability to solve problems.