Upconverter
升频器; 上转换器
🗣️ 情景例句
Right here, next to the ice packs. Here.
就在这里 。在冰袋旁边。这儿。
Put the receiver closer to your mouth.I can't hear you.
把听筒放近你的嘴，我不能听见你的话。
That's right.
对。