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
my grandfather is
我爷爷
Would you mind handing me that cup?
请把那个杯子递给我，好吗？
I also need your permission to speak to the family lawyer about this matter.
我还需要你的许可，就关于这件事跟你们的家庭律师谈话。