Rcbf
区域性脑血流（Regional Cerebral Blood Flow）
🗣️ 情景例句
I have room reserved.
我已订了房。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。