undeviating
adj. 不离正道的;坚定不移的;不迷失的
例句
Beyond the undeviating barbed-wire fences were clumps of golden rod.
在一排排笔直的,用带刺的铁丝编扎的栅栏那一边,有一丛丛金黄色的秋麒麟草。