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
Great. What's happening with you these days?
非常好。你最近几天怎么样？
I'm Barnard and it's my great honor to tell you about our new product.
我叫巴纳德，能够向你们说明我们的新产品，我感到非常荣幸。
Who could have imagined, in the mid 1970s, for example, that by the end of the 20th century, computers would be as common in people's homes as TV sets?
举个例子吧，在20世纪70年代中叶又有谁能想得到在20世纪末的时候，家庭用的计算机会像电视机一样普遍？