名词
中文翻译：木材
同义词：
['lumber', 'timber', 'wood']
例句：
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1. The tree is too big to cutdown with a chainsaw.
这棵树太大，不能用链锯砍倒。
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2. Timberis essential for building houses and furniture.
木材对于建造房屋和家具至关重要。
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3. Timberprices have been rising steadily since the beginningof the year.
自年初以来，木材价格一直在稳步上涨。