Acetomorphine
二乙酰玛啡, 海洛因
🗣️ 情景例句
I have learned to use computers and have become familiar with all clerical duties.
我学会使用电脑及熟悉所有文员的工作。
I'm glad to hear you are getting married.
我很高兴听到你将结婚的消息。
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。