=O

1.（在书面英语中，代替 of 的非正式说法）used in written English to represent an informal way of sayingof

1.哦

1.英语字母表第十五字母

2.一系列中之第十五

3.O字形物;圆

4.【数】零

1.the 15th letter of the English alphabet. O is a vowel.

2.a common blood type in the ABO system

3.a way of saying “zero,” used for example when you are telling someone a telephone number or saying a date such as 1904

1.used in poetry for addressing someone or something

2.another way of writing “oh”