Sf
[计] 比例因子, 栈前, 栈满
📖 牛津释义
SF
abbr
缩写 = (infml 口) science fiction.
🗣️ 情景例句
I'm very glad to meet you.
很高兴认识你。
When I saw they had left, I was shocked to tears.
当我目睹他们离去时，我悲伤得落下了眼泪。
because balloons can be a great danger to aircraft.
因为气球有可能给飞机造成极大的危险。