Niketharol
N, N-二乙基烟酰胺
🗣️ 情景例句
if you're not going to be happy about it.
假如你会因为这种事而不快乐的话。
He who makes himself a dove is eaten by the hawk.
弱肉强食。
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。