Rfu
放射免疫聚焦装置（radiommunofocus unit）
🗣️ 情景例句
We're very pleased that you are considering becoming a distributor of our company.
我们非常高兴你们正在考虑成为我们的批发商。
He who laughs last laughs best.
谁笑在最后，谁笑得最好。
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。