■n. /eI/(pl.As or as) ①the first letter of the alphabet 英语字母表中的第1个字母 ②the sixth note of the diatonic scale of C major 〈音〉C 大调音阶的第6个音,A 音 ③the first hypothetical person or example A (假定的第1个人或例子) ④the highest class or category (...[继续阅读]

    n. a main British road that goes from London to Edinburgh　A1公路...[继续阅读]

    n. ①a standard European size of paper, 420×297mm 欧洲标准的纸张规格 ②paper of this size 此种规格的纸张...[继续阅读]

    n. a standard size of paper in the EU(European Union), which is 21 centimetres by 29.7 centimetres A4 号纸...[继续阅读]

    n. ①a standard European size of paper, 210×148mm 欧洲标准的纸张规格 ②paper of this size 此种规格的纸...[继续阅读]

    n. lava forming very rough, jagged, light-textured masses 〈地质〉(粗糙、不规则、表面有细波纹的)熔岩石块...[继续阅读]

    abbr.American Automobile Association美国汽车协会...[继续阅读]

    abbr. ①Automobile Association汽车协会 ②Associate of Arts副文学士...[继续阅读]

    abbr. Ancient and Modern(圣歌)古今,从古到今...[继续阅读]

    abbr. ①artists and recording 艺术家及录制作品 ②artists and repertoire 艺术家及保留剧目...[继续阅读]