Spf
abbr. 防晒系数（Sun Protect Factor）；存储保护特征（Storage Protect Feature）
🏥 医学释义
荧光分光光度计
🗣️ 情景例句
Thank you. It's delicious.
谢谢，味道很好。
That's too loud.
声音太大了。
It's an old film,but it's very good.
这是老部片子，但很好。