Nonnitrogenous
a. 不含氮的
🗣️ 情景例句
Do you remember when Daddy and I used to take you
你还记得爸爸和我常带你
The longest day has an end.
天下没有不散的盛筵。
We need to make a change on our last order.
上回的订单我们需要更改。