Parnanthracene
[化] 双蒽; 仲蒽; 聚二蒽
🗣️ 情景例句
While it may be cold outside, it's always warm here in the office.
外面可能很冷的时候，办公室里面总是很暖和。
Live and learn.
活到老，学到老。
Yes. That's just right. It's nice and soft, too.
对。那正好，又软又好看。