Rcit
[医][=red cell iron turnover rate]红细胞铁替换率
🗣️ 情景例句
Do you?
你会吗？
Peace on earth and good will towards men.
愿世界得太平，人间持善意。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。