Phenaphthacridone
[化] 苯并萘吖啶酮
🗣️ 情景例句
He turned over his company to his son last year.
去年他把公司交给儿子管理。
Thank you for a very enjoyable evening.
谢谢你，今晚过得真愉快。
It is no use learning without thinking.
学而不思则惘。