be a volunteer + (for/in/at) + noun phrase
be a volunteer 后常接介词 for、in 或 at 表示所属组织或地点。
She is a volunteer for the local animal shelter.
她是当地动物收容所的志愿者。
志愿者；自愿者
volunteers — plural of volunteer
志愿兵；义勇兵；田纳西州人；自生植物；野生苗；自愿提供服务的人,尤指无偿服务者。；志愿兵
a person who acts of their own free will, especially to do unpaid work or help others
自愿提供服务的人,尤指无偿服务者。
One who enters into, or offers themselves for, any service of their own free will, especially when done without pay.
志愿兵
(military) a person who freely enlists for service
自愿入伍者(服役期间与其他士兵一样受纪律和规章约束),与应征兵相对。
One who enters into military service voluntarily (but who, when in service, is subject to discipline and regulations like other soldiers), as opposed to a conscript.
志愿者
a person who performs voluntary work
国家有组织民兵中的志愿成员,区别于正规军或常备军士兵。
A voluntary member of the organized militia of a country, as distinguished from a regular or member of the standing army.
田纳西州人
a native or resident of Tennessee
无法律义务而自愿行事的人,如捐赠者。
A person who acts out of their own will without a legal obligation, such as a donor.
自然生长而非有意栽培的植物；参见维基百科“自生植物”。
A plant that grows spontaneously, without being cultivated on purpose; see volunteer plant in Wikipedia.
美国田纳西州的本地人或居民。
A native or resident of the American state of Tennessee.
The museum is looking for a volunteer to guide visitors on weekends.
博物馆正在寻找一名志愿者在周末为游客导览。
用法提示：此处volunteer为名词，指自愿提供帮助、不取报酬的人。
She has worked as a volunteer at the animal shelter for two years.
她在动物收容所做志愿者已经两年了。
用法提示：此处volunteer为可数名词单数，表示自愿服务者。
Many volunteers helped clean up the beach after the storm.
许多志愿者在暴风雨后帮助清理海滩。
用法提示：volunteers是volunteer的复数形式，作名词表示多名志愿者。
be a volunteer 后常接介词 for、in 或 at 表示所属组织或地点。
She is a volunteer for the local animal shelter.
她是当地动物收容所的志愿者。
不定式修饰 volunteer 表示志愿从事的具体任务。
We need a volunteer to lead the group.
我们需要一名志愿者来带领小组。
as a volunteer 作状语表示以志愿者身份。
He worked as a volunteer during the summer.
他夏天做志愿者工作。
grammar · medium
易错句子She is volunteer.
正确表达She is a volunteer.
英语中可数名词单数前需要冠词，volunteer 是可数名词，因此应加不定冠词 a。
grammar · medium
易错句子There are many volunteer in the park.
正确表达There are many volunteers in the park.
volunteer 是可数名词，复数形式需加 -s，与 many 搭配使用。
对于'志愿者'（自愿工作者或自愿参军者）的反义，指被强制征召的人。
volunteer是名词，指做志愿工作的人；voluntary是形容词，形容行为是自愿的，不用于指人。
志愿工作
She does volunteer work at the local hospital every weekend.
她每个周末都在当地医院做志愿工作。
志愿项目
The university offers a volunteer program for students.
大学为学生提供了一个志愿项目。
志愿机会
There are many volunteer opportunities in the community.
社区里有很多志愿机会。
志愿服务
He received an award for his volunteer service.
他因志愿服务而获奖。
志愿者协调员
The volunteer coordinator organized the training sessions.
志愿者协调员组织了培训课程。
志愿者组织
She joined a volunteer organization to help the elderly.
她加入了一个志愿者组织来帮助老年人。
volunt- (自愿) + -eer (人)
volunt- (自愿) + -ary (形容词后缀)
vol- (意愿) + -ition (名词后缀)
volunteer (志愿者) + -ism (主义)
志愿者通常为慈善机构工作
志愿者活动常涉及物资或资金捐赠
志愿者服务的主要场所是社区
志愿者提供无偿服务
志愿者多服务于非营利组织
志愿者不是因为他们没有价值而得不到报酬，而是因为他们无价。
This quote is often used in volunteer appreciation events and charity campaigns.
这句话常用于志愿者表彰活动和慈善活动中。
我们是美国的志愿者
From the song 'Volunteers' by Jefferson Airplane, an anthem of the 1960s counterculture movement.
出自杰斐逊飞机乐队的歌曲《志愿者》，是20世纪60年代反文化运动的圣歌。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.