Rfu
放射免疫聚焦装置（radiommunofocus unit）
🗣️ 情景例句
The advanced class starts at ten o'clock.
高级健身课十点钟开始。
I hope you change his decision.
我希望你改变他的决定。
Thank you for the beautiful present!
感谢你漂亮的礼物！