Ef
abbr. 每面（each face）；超精度（extremely fine）；仰角指示器（Elevation Finder）
🗣️ 情景例句
Hello, ... speaking. Who do you wish to speak to?
喂， 我是……你想找谁？
If you're hungry, we can eat dinner now.
如果你饿了，我们现在就去吃饭。
In the middle of the night, two boys woke up and began shouting.
午夜前后，有两个孩子醒了，大声叫了起来。