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
about leaving New York, the family, and friends.
对于离开纽约， 家人和朋友。
Storms make trees take deeper roots.
风暴使树木深深扎根。
Just a moment and I'll get you your change. (Look at the note.) Goodness me!
请等一下，我就给你找钱。（看了看钞票）哦，我的天哪·