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
I'd love some cola, please.
请给我可乐。
The farthest way about is the nearest way home.
欲速则不达。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。