Dinaphthylene
[化] 二亚萘基
🗣️ 情景例句
Please do.
好呀。
Delicious!
真好吃！
Car alarms constantly scream at us in the street and are a source of profound irritation.
在街上，汽车的防盗警报不断对我们吼叫，这是人们极度烦燥的一个原因，