Sfm
abbr. surface feed per minute 表面/分钟流量; surface feet per minute 每分钟英尺表面线速度数，英尺/分表速
🗣️ 情景例句
I love you.
我爱你。
who did George marry?
乔治结婚了吗？
We're ready to take your order now.
你们现在可以下订单了。