以下是含有「volunteer」的英語句子：
He volunteered to coach the basketball team. 他自願去訓練籃球隊。
She volunteered at a homeless shelter. 她在收容所當志願者。
They volunteered their time to help clean up the park. 他們自願貢獻自己的時間去幫忙打掃公園。
Thousands of volunteers participated in the event. 數千名志願者參加了這次活動。
He is a dedicated volunteer who works tirelessly for the community. 他是一位為社區不知疲倦工作的敬業志願者。
Volunteers are needed to assist with the flood relief efforts. 需要志願者協助抗洪救災工作。
She volunteered to assist the teacher with the class project. 她自願協助老師進行班級項目。
Volunteers are the backbone of many community organizations. 志願者是許多社區組織的支柱。
The volunteer fire department responded quickly to the emergency. 志願消防隊迅速對緊急情況作出了反應。
Volunteering is a great way to give back to the community. 志願服務是回饋社區的好方法。