名词
中文翻译：树木标记
同义词：
['tree labeling', 'tree markings']
例句：
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1. The forest ranger marked the trees to prevent them from being cut down.
森林管理员给树木做了标记，以防被砍伐。
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2. The scientist used a laser to mark the tree trunk for future identification.
科学家使用激光在树干上做了标记，以便未来识别。
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3. The local authorities were asked to remove the tree markings before the festival.
当地当局被要求在节日前移除树木标记。