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
Ready?
准备好了吗？
A rainbow appears.
彩虹出现了。
It was as clear as daylight then that burglars had forced an entry during her absence.
事情很清楚，在她外出时，窃贼曾闯进家门。