Anthranone
[化] 蒽酮
🗣️ 情景例句
Thank you, sir.
谢谢。
Avarice increases with wealth.
越富越贪。
Only good scouting is likely to preserve the freedoms so dear to the heart of the eternal Boy Scout.
只有优良的童子军活动才能保持不朽的童子军所衷心热爱的各项自由。