Cephalomycin
头霉素
🗣️ 情景例句
I can't tell you how sorry I am.
我真的是很抱歉。
It's her birthday and she wants to gives us all a treat.
这是她的生日，她要款待我们大家。
Have you seen our new packing specifications?
你看过我们新的包装指示了没有？