Tfn
[医][=total fecal nitrogen]总粪氮（量），粪内总氮量
🗣️ 情景例句
She's a bimbo.
她行为放荡。
Two quarrel and a third profits by it.
鹬蚌相争，渔翁得利。
I'm enjoying this. Where exactly are we going?
我喜欢这次旅行。我们到底要去哪里？