| 释义 |
| | | | NOUN | | | | | /ef/ | | | | | | | 1 | the sixth letter of the English alphabet . F is a consonant . 英语字母表的第6个字母（为辅音字母） | | | | 2 | F the fourth note in the musical scale of C major 大调音阶中的第4个音符 | | | | 3 | F a mark that a teacher gives to a student’ s work to show that they have failed a test or a piece of work 不及格，F级（表示学业成绩不及格的符号） | | | | |