voluntary是什么意思（voluntary的用法）

大家好，知识小编来为大家讲解下。voluntary是什么意思，voluntary的用法很多人还不知道，现在让我们一起来看看吧！

一、voluntary是什么意思

1、voluntary 志愿的

2、来自PIE*wel,希望，意愿，词源同will，volition。引申义意愿的，志愿的。

二、voluntary的用法

1、voluntary (adj.)

2、late 14c., from Latin voluntarius "willing, of one's free will," from voluntas "will," from the ancient accusative singular present participle of velle "to wish" (see will (v.)). Originally of feelings, later also of actions (mid-15c.). Related: Voluntarily.

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