Dinitrate
二硝酸盐
🗣️ 情景例句
We did?
我们忘了吗？
An nod is as good as a wink to a blind horse.
对牛弹琴。
My dentist had just pulled out one of my teeth and had told me to rest for a while.
我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。