Rfu
放射免疫聚焦装置（radiommunofocus unit）
🗣️ 情景例句
Thank you. Would you like something to drink? A cup of coffee?
谢谢。你想喝点儿什么？来杯咖啡吗？
Humility is the foundation of all virtue.
谦逊是一切美德的基础。
All my best memories come back clearly to me, some can even make me cry.
所有美好的记忆又在我脑海清晰地浮现了，有些甚至还令我哭泣。