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
What do you think? Does it look promising?
你怎么想？ 希望大吗？
You're asking for it.
自讨苦吃。
Tim is looking at an aeroplane.
蒂姆正望着一架飞机。