| 单词 | A, a |
| 释义 | A, a —A, a /eɪ/ noun (PLURAL As, A's or a's) (ELECTRICITY) ► F0 WRITTEN ABBREVIATION FOR AMP(Cf. ↑amp) (ELECTRICITY)Thesaurus+: ↑Units of electrical powernoun [C or U] (PLURAL As, A's or a's) (LETTER) ► F0 the first letter of the English alphabetThesaurus+: ↑Letters of alphabets , ↑Lettering and alphabetsnoun [C or U] (PLURAL As, A's or a's) (MARK) ► F0 a mark in an exam or for a piece of work that shows that your work is considered excellent: » Sophie got (an) A for English.» She got straight As (= all her marks were As) in her end-of-year exams.» US Jim is a straight-A student (= all his marks are A).Thesaurus+: ↑Marks and resultsnoun [C or U] (PLURAL As, A's or a's) (MUSIC) ► F0 a note in Western music: » This concerto is in the key of A major.Thesaurus+: ↑Notes of the musical scale |
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