他决定投身于科学研究。

He decided to throw himself into scientific research.

他投身于写作，完成了一本小说。

He threw himself into writing and completed a novel.

他们投身于环保活动，保护地球。

They threw themselves into environmental activities to protect the Earth.

我们应该投身于学习，取得好成绩。

We should throw ourselves into our studies to achieve good grades.

她投身于慈善事业，帮助了很多人。

She threw herself into charity work and helped many people.

感觉投身于他们的职业。

Feel engaged in their occupation.

分享，投身于，成为….的一部分

Allow oneself to share inor become part of

他投身于对现代艺术的研究中去。

He devotes himself to the research on the contemporary Art.

她投身于教育事业并不要求回报。

She devotes herself to the education and ask for no payoff.

完全投身于工作

To devote oneself completely to his work