Rfu
放射免疫聚焦装置（radiommunofocus unit）
🗣️ 情景例句
That's it.
对了。
I practiced everyday for today's golf match.
我为了今天的比赛而天天练习。
All these years, Eric had lived as a recluse.
这些年来，埃里克过着隐士生活，