名词
中文翻译：山谷底部
同义词：
['valley floor', 'valley base']
例句：
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1.The valley bottom is covered in lush greenery.
山谷底部覆盖着郁郁葱葱的植被。
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2. The hikers reached the valley bottom after a long climb.
登山者在长途跋涉后到达了山谷底部。
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3.The valley bottom is home to many rare species of plants and animals.
山谷底部是许多稀有植物和动物的家园。