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
Oh, I don't know.
噢，这个我就不知道啦。
Some young couples get married on that day too.
一些年轻的夫妇也在这一天结婚。
The great advantage of taking medicine is that it makes no demands on the taker beyond that of putting up for a moment with a disgusting taste,
对服药人别无其他要求，除了暂时忍受一下令人作呕的味道外，