他一直都是太空探索的倡导者。

He has always been an ___advocate of space exploration.

国际旅游的倡导者认为大众旅游对整个社区有益。

___Advocates of international tourism subscribe to the view that mass tourism offers benefits to the whole community.

她在社区中是妇女权利的杰出倡导者。

She is a prominent ___advocate for women's rights in her community.