Doppleron
多普勒能量子
🗣️ 情景例句
Shall I call Mr. Marchetta for you?
要我替你打电话给 Marchetta先生吗？
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
Not at all. It was a pleasure!
不客气。那样我很高兴。