Fena
[医][=excreted fraction of filtered sodium]滤过钠排泄部分
🗣️ 情景例句
When trouble comes your neighbors are the ones who will be there.
邻居在你有困难的时候会帮助你。
A vaunter and a liar are near akin.
自诩和说谎，二者正相仿。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡