Dinaphthylene
[化] 二亚萘基
🗣️ 情景例句
My mother promised me a birthday party with a clown.
我妈妈答应给我办一个有小丑的生日派对。
Again? ...Still?
又来
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。