youdao

He says that brain change is strongest when a) you are interested in and like what you are learning, b) you are in control of what you learn and c) you get challenging tasks that make you think hard.

他说，当你 a）对你正在学习的东西感兴趣并且喜欢它，b）你能控制你所学的东西，c）你接受有挑战性、让你努力思考的任务时，大脑的变化是最剧烈的。

youdao

C: Are you interested in learning Chinese?

你对学习中文感兴趣吗？

youdao

For hepatitis C vaccine we're learning a lot from in vitro or cell-based methods."

VOA: standard.2010.02.16