One Lascaux narrative picture, which shows a man with a birdlike head and a wounded animal, would seem to lend credence to this third opinion, but there is still much that remains unexplained.
一幅拉斯科岩洞叙事画描绘了一个头部像鸟的人和一只受伤的动物的故事,这似乎证实了第三种观点,但仍有许多未解之谜。
The drug is still widely used as a first-line treatment for anovulation and unexplained infertility, even though a 2008 study raised serious questions about whether it does much about the latter.
而这种药物仍然作为治疗不排卵或原因不明的不育症的一线药物,尽管,一份2008年研究报告曾经对这种药物对原因不明的不育症是否真的有效果,提出质疑。
If you find that small cuts, scrapes, or burns take a very long time to heal or if you experience unexplained bruising from light pressure, see a doctor.
如果你发现即使很小的割伤、擦伤、烧伤都要很长时间才能愈合,或者经常有不明的瘀青,这时就要去看医生了。
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