How do you say this Chinese sentence in English?

She has a strong ability in self-learning.

She has a very strong autonomous learning ability.

独立 does mean 'independent', so independent or autonomous is just a personal preference.

She has a strong independent learning ability.

She is very disciplined and independent in learning.

She has a very strong independent learning capability.

lol, I was struggling with it cuz I dunno what "独" is... :P

She has the very strong independent study ability.