每日一詞 446 volunteer：義務工作者、志愿者

今天我們要學的詞是volunteer。 Volunteer, 是義務工作者、志愿者的意思。"We need some volunteers to organize the event," 我們需要一些義務工作者，幫助組織這次活動。"She has been doing a lot of volunteer work since her retirement," 她退休后從事了很多義務工作。星期二地球日Earth Day。"During the weekend, volunteers around the country took part in various activities to clean up the environment," 美國全國各地的義務工作者利用周末的時間參加各種清理環境的活動。好的，今天我們學習的詞是volunteer...