Fena
[医][=excreted fraction of filtered sodium]滤过钠排泄部分
🗣️ 情景例句
Thank you.
谢谢你。
This is to be my treat, so I'll pay for everything.
这次轮到我作东，所以一切由我付账。
How long has Jim been at his school?
吉姆到校有多长时间了？