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1·There are dots above the letters i and j.

字母i和j上面都有一点。《牛津词典》

2·The letters 'i' and 'j' have dots over them.

字母i和j上面都有一点。《牛津词典》

3·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。

4·How long did it take J. K. Rowling to write the Harry Potter series?

J·K·罗琳写《哈利·波特》系列花了多长时间？

5·After opening a free online Harry Potter center in April, British writer J. K. Rowling brings even more good news.

英国作家J.K.罗琳于4月在网上开设了一个免费的哈利·波特中心后，带来了更多的好消息。

6·There are some words begin with J.

有一些单词以字母J开头。

7·These stickers are now being used by J.

现在这些贴纸由J处置。

8·The publication of Harry Potter series has enjoyed great popularity, earning J. K. Rowling high reputation.

哈利波特系列小说的出版广受欢迎，使J·K·罗琳获得极高的声誉。

9·The cheerful 51-year-old's story does not end with the career-making move of signing J. K. Rowling, Harry Potter's creator.

即使签下《哈利波特》的创作者 J.K.罗琳，这位51岁开朗老人的故事并没有因这一事业上的举措而结束。

10·It takes just 1.5 kilowatt-hours (5.4 M J) energy to rotate the Wheel -roughly the same as boiling eight small domestic kettles of water.

转动轮子只需要1.5千瓦时（5.4兆焦耳）的能量，这与使用8壶家用小水壶的能量大致相同。