形容词
中文翻译：未怀孕的
同义词：
['nonpregnant', 'nongravid', 'nulliparous']
例句：
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1. The couple is unpregnant and cannot conceive.
这对夫妇未怀孕，无法生育。
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2. She was unpregnant when she gave birth to herfirst child.
她生下第一个孩子时是未怀孕的。
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3. The unpregnant woman had a miscarriage.
这位未怀孕的女性流产了。