名词
中文翻译：Unknown
同义词：
['saw', 'timber', 'lumber']
例句：
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1. Timber is an important resource for building houses and furniture.
木材是建造房屋和家具的重要资源。
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2. The lumber was too heavy to move by hand.
这些原木太重了，无法用手搬动。
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3. Timber harvesting is a crucial step in the forestry industry.
木材采伐是林业行业的一个重要步骤。