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
Are you carrying any items that need to be declared?
你没有携带需要申报的东西吗？
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
If you park your car in the wrong place, a traffic policeman will soon find it.
一旦你把汽车停错了地方，交通警很快就会发现。