例句:
1、He is engaged in scientific research.
他从事科研工作。
2、The college has enrolled another group of research students this year.
这所大学今年又收了一批研究生。
2021-09-16
例句:
1、He is engaged in scientific research.
他从事科研工作。
2、The college has enrolled another group of research students this year.
这所大学今年又收了一批研究生。