自2009年四月起，来自奇尔特·恩斯社会(当地一个慈善机构)的自愿者们会到这里清理灌木丛和荆棘，为铁器时代，摇摇欲坠的堡垒节省了不少。

Since April 2009 volunteers from the Chiltern Society, a local charity, have worked to clear scrub and brambles there, saving a crumbling Iron Age fort.

youdao

自2009年四月起，来自奇尔特·恩斯社会(当地一个慈善机构)的自愿者们会到这里清理灌木丛和荆棘，为铁器时代，摇摇欲坠的堡垒节省了不少。

Since April 2009 volunteers from the Chiltern Society, a local charity, have worked to clear scrub and brambles there, saving a crumbling Iron Age fort.

youdao