形容词中文翻译
中文翻译：不育的
同义词：
['unproductive', 'sterile', 'barren']
例句：
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1.The soil is so poor that it's ungenerous for growing crops.
土壤如此贫瘠，以至于不适合种植庄稼。
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2. The old tree was ungenerous and could not produce fruit anymore.
那棵老树不再能生产果实了，变得不育。
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3. The scientist discovered a new method to make ungenerous plants grow again.
科学家发现了一种使不育植物重新生长的方法。