她参加了志愿者活动，帮助了很多需要帮助的人。

tā cānjiā le zhìyuànzhě huódòng, bāngzhù le hěnduō xūyào bāngzhù de rén.

She participated in volunteer activities and helped many people in need.

志愿者们每周为社区提供免费的义务服务。

zhìyuànzhěmen měi zhōu wèi shèqū tígōng miǎnfèi de yìwù fúwù.

Volunteers provide free voluntary services to the community every week.

我们组织了一支志愿者队伍来帮助灾区的人们。

wǒmen zǔzhī le yīzhī zhìyuànzhě duìwǔ lái bāngzhù zāiqū de rénmen.

We organized a team of volunteers to help the people in the disaster-stricken area.