Undetermined nitrogen
[医] 未定氮
🧩 词语组成解析
a. 未经决定的, 未确定的, 性质未明的, 形式未定的, 缺乏决断力的\\n[计] 未定的
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
He is in conference.
他正在开会。
We'd better take it up with them, in that case.
如果是那样，我们最好向他们提出来。