A,a
■n. /eI/(pl.A's or a's) 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 (of roads, academic marks, etc.) 最高等级的,第一流的(道路、学习成绩等) ⑥the first known quantity 〈代数〉第一已知量 ⑥a human blood type of the ABO system (ABO血型分类中的)A型血
‖from A to B from one place to another 从A到B,从甲地到乙地‖from A to Z over the entire range;completely 从A到Z,从头至尾;彻底地
■art. /强eI;弱ǝ/ ①one(非特指的)一(个):~ man〔girl〕一个男人〔女孩〕/I had a cup of water ...... (共688字) [阅读本文]>>