Rbe
abbr. red blood cell (count) 血红细胞（数）; red blood corpuscle 红血球; relative biological effectiveness 相对生物原效应
🗣️ 情景例句
There's been a car accident, please call the police.
这发生了车祸，请快报警。
I'm not in.
我不在家。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，