名词
中文翻译：怀孕
同义词：
['pregnancy', 'gestation', 'gravidity']
例句：
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1.She is pregnant with twins.
她怀有双胞胎。
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2.The pregnancy was complicated by morning sickness.
怀孕过程中出现了晨吐。
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3. The doctor advised her to avoid heavy lifting during her pregnancy.
医生建议她在怀孕期间避免重体力劳动。