Transponders
n. 异频雷达收发机；转调器, 变换器
🗣️ 情景例句
No, nothing.
没有，没什么。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
Oh dear! I must go. Have a good day!
哎呀！我得走了，再见。