先天 [
xiān tiān]
innateness
- 这是一个先天性的两瓣叶主动脉瓣。
Here is a congenital bicuspid aortic valve. - 我们也不告诉他这是因为先天畸形。
We didn't tell him this was expected due to his deformity at birth. - 疾病是先天性还是后天引发的?
One the other hand, are the increasing patients caused by polluted air.
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