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
Choose which you please.
先你中意的好了。
Would you like to leave your telephone number?
你想要留下你的电话号码吗？
You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。