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.

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。

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First, clear the gap and around the base surface of the dirty debris or water surface rust, scrub clean with a damp cloth.

首先清除缝隙及周边基面的脏杂物或水管表面的铁锈，用湿布擦洗干净。

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He pilots the Caterpillar (nyse: CAT - news - people ), ancient, ugly and creaky, to clear acres of thorny thicket and scrub brush.

FORBES: Whitacre's Way

The smog arrives around this time every year, as loggers and farmers on Indonesia's island of Sumatra and the Indonesian part of Borneo take advantage of the dry season to clear land by burning trees and scrub.

ECONOMIST: Will the neighbours ever dare to penalise the polluters?