Violanthrole
二苯并羟蒽
🗣️ 情景例句
OK.
好的。
Wonders are many, and nothing is more wonderful than man.
奇迹很多，但没有一件东西比人更为奇妙。
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。