Duopigatron
双彭宁离子规源
🗣️ 情景例句
May I make an appointment now?
现在可以预约门诊吗？
She won a scholarship to the state university.
她获得就读洲立大学的奖学金。
Where have Jim and Kate gone?
吉姆和凯特去哪儿了？