Tfn
[医][=total fecal nitrogen]总粪氮（量），粪内总氮量
🗣️ 情景例句
Kiss the dice for good luck.
为了好手气亲一下色子吧。
The belly has no ears.
食欲不长耳。
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？