我认为这很简单明了，他应当努力学习，积累知识一边将来报效祖国。

He must study hard and store up knowledge so as to serve his (the) country in the future.

youdao

我认为这很简单明了，他应当努力学习，积累知识一边将来报效祖国。

He must study hard and store up knowledge so as to serve his (the) country in the future.

youdao