Nitronate
氮酸酯
🗣️ 情景例句
I designed it myself.
这是我自己设计的。
Jack grew timid when he saw the size of the shoes on the front step.
杰克看到了放在玄关的鞋子的尺寸时，甚为吃惊。
He should have known that the police would never allow this sort of thing.
他本该知道警察绝不会允许这类事情发生。