Naphtylamine
[机] 氨
🗣️ 情景例句
What was it about?
刚才谈什么？
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
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。