Snf
abbr. 特殊护理设备（skilled nursing facility）
🗣️ 情景例句
His studies haven't been inproving lately.
他的学业最近没什么进步。
What we lose in hake we shall have in herring.
失之东隅，收之桑榆。
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。