Periatrial
[醫(yī)] 心房周的
??? 情景例句
Yes, I have a terrible cold.
是的，我得了重感冒。
The Chinese commonly work hard.
一般中國(guó)人很勤勞。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美國(guó)跑了許多地方，了解有關(guān)祖先的情況。