形容词
中文翻译：不育的
同义词：
['barren', 'sterile', 'infertile']
例句：
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1. The couple has been trying to conceive for several years without success.
这对夫妇已经尝试怀孕好几年但没有成功。
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2. The research on the genetic basis of infertility is still in its early stages.
关于不孕症遗传基础的研究仍处于初级阶段。
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3. The farmer was displeased with the results of his fertilizer experiment.
这位农民对他的肥料实验结果感到不满意。