名词
中文翻译：Unknown
同义词：
['barren', 'sterile', 'infertile']
例句：
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1. The couple has been trying for years to have a child, but they are still barren.
这对夫妇已经尝试了多年想要孩子，但仍然没有成功。
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2. The land was barren and had not seen any signs of life for years.
这片土地贫瘠，多年来都没有看到任何生命的迹象。
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3. The scientists found the eggs were infertile, meaning they couldn't be fertilized.
科学家们发现这些卵子是不育的，也就是说它们无法受精。