Eusintomycin
硬脂酸合霉素
🗣️ 情景例句
He had an emergency.
他有紧急事情。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
Sam, what are you going to do tomorrow?
山姆，你明天打算干啥？