Parnanthracene
[化] 双蒽; 仲蒽; 聚二蒽
🗣️ 情景例句
you've included performing arts centers,
你拍了表演艺术中心，
I would like to repair her washing machine.
我要去修理她的洗衣机。
Thank you very much.
非常感谢。