他是一位敬业的研究员，在实验室里不知疲倦地工作。

He is a ___dedicated researcher who works tirelessly in the lab.

我自己是一个完全投入的体育迷，我认为篮球是地球上最伟大的运动。

I myself am a totally ___dedicated sports fan and I believe that basketball is the greatest sport on this earth.

她学习新语言的投入方法是令人钦佩的。

Her ___dedicated approach to learning new languages is admirable.