| 词汇 |
p.f |
| 释义 |
p.f
基本例句
=意piО forte=louder音更大声些
A P.F. O. is a tunnel that connects the upper chambers of the heart— the right atrium and the left atrium.
卵圆孔未闭会导致心脏上部腔体，即左心房和右心房之间存在一条通道连接。 yeeyan
Because of this lack of a causal relationship, there is currently a lack of conclusive evidence that supports having a surgical procedure to close a P.F. O. as a means to reduce migraine frequency.
正因为缺少因果联系，目前并没有结论性的证据来支持通过手术闭合卵圆孔有助于降低偏头痛发作频率的说法。 yeeyan
The reason for this association is unclear, but P.F. O. and migraine may have a shared genetic origin.
这一联系的成因仍然未清除，但 P.F.O.和偏头痛可能有共同的遗传起因。 yeeyan |
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