Hff
abbr. horizontal falling film 水平降落液膜
🗣️ 情景例句
I'm the vice-president of new toy development.
我是负责新玩具开发的副总裁。
There are seven of us altogether.
一共有7个。
As soon as he opens the gate from the outside, he comes into the garden and waits until the gate shuts.
它从外面把门一打开，就走进花园，等着门自动关上。