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
Please have two window seats placed aside for us.
请为我们保留两个靠窗口的位子。
To smoke marijuana (dope, grass, pot)
吸食大麻
We had a very nice time.
我们过得非常愉快。