volunteer既可以作名詞，表示“志愿者”；也可以作動詞，表示“資源做；無償做”等含義。volunteer是可數(shù)名詞，表示是某個組織的志愿者時，通常用“a volunteer with+組織名稱”結(jié)構(gòu)。

1.作名詞

(1)They are retired and working in the organization as volunteers.

他們已經(jīng)退休了，在那個組織里做志愿者。

(2)As a volunteer with the Little Village Environmental Protection Organization,she went door to door talking about the dangers of pollution.

作為“小村莊環(huán)境保護(hù)組織”的志愿者，她挨家挨戶地給人們講污染的危害。

(3)He worked as a volunteer teacher in this school to help the poor children.

他在這所學(xué)校任志愿教師，以幫助這些窮困的孩子。

2.作動詞

(1)He was always the first to volunteer for such tasks.

他總是第一個自愿做這樣的任務(wù)。

(2)She worked in a restaurant and also volunteered for teaching dance classes at night.

她在一家餐廳工作，也再晚上自愿教授舞蹈課程。

(3)Over thirty thousand people have volunteered to help out.

超過三萬人自愿進(jìn)行了幫助。

(4)My brother volunteered to play the guitar and sing a song at the school party.

我滴滴自愿在學(xué)校晚會上彈吉他、唱歌。

3.常用搭配

volunteer for sth./doing sth.表示“志愿/自動申請某事；志愿/自動申請做某事”。

Volunteer to do sth.表示“自愿/義務(wù)/無償做某事”。