动词短语
中文翻译：不育
同义词：
['barren', 'sterile']
例句：
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1. The couple's IUI treatment was a success.
这对夫妇的试管婴儿治疗成功了。
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2. The doctors said that she might be barren due to her age.
医生说她可能因为年龄而无法生育。
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3. After trying for several years, they finally decided to try IUI.
经过几年的尝试后，他们最终决定尝试试管婴儿。