Morphinan
吗(啡)喃, 吗啡烷
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
Think today and speak tomorrow.
三思而后行。
It's Zhong Qiu Jie.
明天是中秋节。