O
O1
(亦作 o)
(pl. Os或O's)
O2
abbreviation for
O3
exclamation
(亦作 o)
(pl. Os或O's)
- the fifteenth letter of the alphabet
英语字母表中第十五个字母
■denoting the next after N in a set of items, categories, etc
O项，O类（一组项目、分类中的第十五位）
■a human blood type (in the ABO system) lacking both the A and B antigens. In blood transfusion, a person with blood of this group is a potential universal donor
O型血 - (亦作 oh)nought or zero (in a sequence of numerals, especially when spoken)
［尤用于口语一连串数字中］零 - a shape like that of a capital O; a circle
O字形；圆圈
O2
abbreviation for
- ■(US)Ohio
(美)。 同 ohio
■(Cricket)(on scorecards) over(s)
(板球)。 （记分卡上）同 over 或 overs
- the chemical element oxygen
（化学元素）氧
O3
exclamation
- archaic spelling of oh
(古)。 同 oh - (archaic)used before a name in the vocative
(古)［用于称呼语前］啊
give peace in our time, O Lord.
啊，上帝，请给我们的时代以和平。
- natural exclamation: first recorded in Middle English
考试词汇表
