Hff
abbr. horizontal falling film 水平降落液膜
🗣️ 情景例句
And miles to go before I sleep.
在我就寝前还得赶许多哩路。
I appreciate your efforts and cooperation and hope that this will be the forerunner of other transactions in future.
非常感谢贵方的努力与合作，希望这只是我们今后业务往来的开端。
She stamped out the letters 'SOS' in the snow.
她在雪地上踩出了“SOS”这3个字母。