Dinitrate
二硝酸盐
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
I'd like a refund.
我要想退款。
Pollution is the price we pay for an overpopulated, over industrialized planet.
污染就是我们为这个人口过密，过度工业化的星球所付出的代价。