“youth volunteer activity”的概念、定义、翻译、参考文献-科学参考

单词	youth volunteer activity
释义	youth volunteer activity Encyclopedia 法学青少年社会工作释 youth volunteer activity青年志愿者活动青年以自己的时间、知识、技能、体力等向社会或者他人提供自愿、无偿的公益服务活动。
随便看	formal language formal language theory formal law formal learning formal legal reasoning formal linear combination formal logic formally adjoint operator formally convergent formally decidable formula formally hypoelliptic formally p-adic field formally real algebra formally real field formally refutable formula formally self-adjoint operator formally smooth ring formally smooth transformation formally undecidable formula formally undecidable proposition formally unsolvable formula formal manifold formal mathematical analysis formal method formal methods

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