常见例句noun(LETTER)(MUSIC)The piece is in (the key of) E. 這支曲子是 E 調的。The bottom string on a guitar is an E. 吉他的低音弦是發E音的。(MARK)You might have to take the course again if you get many more Es. 如果你這門課的成勣再繼續是E級，就有可能必須重脩。(EAST)(DRUG)adjective(EAST) 返回 E, e