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'm sick of waiting around like this.
我对这样干等着感到厌烦。
It is no good hen that cackles in your house and lays in another's.
这样的母鸡可不好：在你家里咯咯叫，却到别家去下蛋。
Our environment is chiefly conditoned by the things we believe.
我们的环境由我们信仰的东西所决定。