Hff
abbr. horizontal falling film 水平降落液膜
🗣️ 情景例句
Don't rush, take your time.
别急急忙忙的，慢慢来。
Every horse thinks his sack heaviest.
每疋马认为自己驮的袋子重。
The eggs are sold by the dozen.
鸡蛋按打卖。