Ef
abbr. 每面（each face）；超精度（extremely fine）；仰角指示器（Elevation Finder）
🗣️ 情景例句
Let's get engaged.
我们订婚吗？
What kind of climate do you have in this country?
这个国家的气候如何？
She was offered a job as a translator, but she turned it down.
有人请她去作翻译，她拒绝了。