Tkn
[医][=total kjeldahl nitrogen]总克氏氮
🗣️ 情景例句
Well, it's too bad that you have to go.
真遗憾，你要走了。
Would you let me know your fax number?
可以告诉我您的传真机号码吗？
She was born in 1966.
她生于1963年。