Violanthrole
二苯并羟蒽
🗣️ 情景例句
Thank you very much, But I guess I'd better do it myself.
谢谢你，但我想我最好还是自己做。
Let every tub stand on its own bottom.
各人管各人自己。
I'm sorry, sir.I can't change a ten-pound note.
对不起，我找不开10英镑的钞票。