Efs
(ef 的复数) abbr. 每面（each face）；超精度（extremely fine）；仰角指示器（Elevation Finder）
🗣️ 情景例句
when I said we couldn't ask for anything more.
在我说我们再没什么可求的了的时候。
I ask him to do the dishes right now.
我要求他立刻洗碗碟。
Only by working hard can we succeed in doing everything.
只有努力，才能成功