Polariton
[电] 电磁声子
🗣️ 情景例句
My final exam is next Tuesday.
期终考就在下周二。
Looking back, it seems like a very short five years living here and working together with you.
回顾一下，在这里和大家一起工作的五年看起来是那么短暂。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？