Naphthacene
萘并萘, 丁省
🔁 扩展释义
【化】 并四苯
🗣️ 情景例句
You have to ask for my father's permission.
你必须征得我父亲的同意。
It's time for me to have a meat.
是我吃饭的时间了。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。