Rcbf
区域性脑血流（Regional Cerebral Blood Flow）
🗣️ 情景例句
Harry potter was a box office smash.
《哈里波特》赢得了相当可观的票房收入。
A creaking door hangs long on its hinges.
户枢不蠹。
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。