volunteer
US /ˌvɑː.lənˈtɪr/
UK /ˌvɑː.lənˈtɪr/

名词
1.
志愿者
a person who freely offers to take part in an enterprise or undertake a task
示例:
•
Many volunteers helped clean up the park.
许多志愿者帮助清理了公园。
•
She works as a volunteer at the animal shelter.
她在动物收容所做志愿者。
动词
1.
自愿, 志愿
freely offer to do something
示例:
•
I'll volunteer to help with the event.
我将自愿帮助这次活动。
•
He volunteered to take the extra shift.
他自愿加班。
在 Lingoland 学习这个单词