Codethyline
[化] 可待乙碱; 乙基吗啡
🗣️ 情景例句
What is the cost?
费用是多少？
Did you get any sleep on the plane?
你在飞机上睡觉了吗？
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。