Paraethoxyacetophenone
对乙氧基苯乙酮
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
She was always in a rush.
她总是很匆忙。
No, not very. You need a driving permit. Have you got one?
不，不很贵。你需要一个驾驶执照。你有没有？