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
OK. We'll ring you up at 6:00 a.m. tomorrow.
嗯，我们会在明天6点整叫您。
If she could help you, she would help you.
如果她能帮你的话，她会帮你的。
The lawyer was brief and to the point.
律师简明扼要地说道。