Ac.
例句
There are dots above the letters i and j.
字母i和j上面都有一点。
《牛津词典》
The letters 'i' and 'j' have dots over them.
This book belongs to Mary because J. K. Rowling is her favorite writer.
这本书是玛丽的，因为 J·K·罗琳是她最喜欢的作家。
