名词
中文翻译：不育的
同义词：
['barren', 'sterile', "infertile例句：1. The couple's marriage is barren", 'as they have not had any children together.（这对夫妇的婚姻是无子的，因为他们一直没有孩子。）']
例句：
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1. The couple's marriage is barren, as they have not had any children together.
这对夫妇的婚姻是无子的，因为他们一直没有孩子。
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2. The soil was too dry for the plants to be fertile.
土壤太干，植物无法肥沃。
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3.The research team discovered that the environment was infertile for new plant species.
研究小组发现，这个环境对新植物物种来说不肥沃。