I want to catchup on my talking.这句中catch up on 是什么意思?

问题描述:

I want to catchup on my talking.这句中catch up on 是什么意思?
原句I've spent so much time listening to teachers that I want to catch up on my talking.我不知道catch up on 我是什么意思?请帮忙解答一下,谢谢!

弥补