Ef
abbr. 每面（each face）；超精度（extremely fine）；仰角指示器（Elevation Finder）
🗣️ 情景例句
Well, I'm not sure. Ellen.
噢， 我无法肯定， Ellen。
Where the knot is loose the string slips.
结子一松掉，绳子就滑脱。
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.
当人们急切地看完正文后，便知道这位女子是个打字员，办公室打字机的声音使她越来越烦恼，最终住进了精神病医院。