Penagar
含青霉素的５％琼脂溶液
🗣️ 情景例句
It's seventy-five cents for adults and thirty cents for children under twelve.
大人75美分，12岁以下的小孩30分。
I would like to confirm the reserved seat.
我要确定已预定的位置。
Hello! Could I speak to the headmaster, please?
您好！我能和校长通话吗？