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1.The study of human reproduction is crucial for understanding the development and growth of our bodies.
研究人类生殖对于理解我们身体的发展与成长至关重要。
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2. The uterus, or uterus, is a hollow organ that houses the fertilized egg and provides nourishment to the developing fetus.
子宫，或称子宫，是一个空腔器官，容纳受精卵并提供发育中的胎儿所需的营养。
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3. In some cases, a woman may experience pain during her menstrual cycle due to the presence of uterine fibroids, which are benign tumors that can cause discomfort.
在某些情况下，女性在月经期间可能会经历疼痛，这是因为存在子宫肌瘤，这是一种良性肿瘤，可能导致不适。