Meaning: People are able to gain a lot of knowledge or understanding from ants.
Choice of Words: We: People. Can learn: Are able to gain knowledge or understanding. Much: A large amount.
Alternative Expressions
Ants are great teachers.
Meaning: This sentence means that ants are very good at teaching us things.
Choice of Words:Ants are small, social insects. Are indicates a state of being. Great means very good or impressive. Teachers are people who teach or instruct others.
Ants can teach us a lot.
Meaning: This sentence means that ants are able to impart a lot of knowledge or skill to us.
Choice of Words:Ants are small, social insects. Can indicates the ability to do something. Teach means to impart knowledge or skill to someone. Us refers to the speaker or writer and anyone else they include. A lot means a large amount.