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1·I thought her name was Catherine, but it's Kathryn spelt with a 'K'.

我原以为她叫Catherine，其实是Kathryn，以K开头。《牛津词典》

2·Vitamin K is routinely given in the first week of life to prevent bleeding.

维生素K要在婴儿出生的第一周内常规性地补充以防出血。《柯林斯英汉双解大词典》

3·Almost every language has an O vowel, a K consonant, and an A vowel.

几乎每一种语言都有一个 O 元音、一个 K 辅音和一个 A 元音。

4·W-e-e-k, Lucy corrected Scott and said, Bye!

“W-e-e-k，”露西纠正斯科特说，“拜拜！”

5·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。

6·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？

7·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。

8·Yet a traditional American K-12 curriculum continues to be taught from a Eurocentric point of view.

然而，传统的美国基础教育课程继续是以欧洲中心的角度进行授课的。

9·Pre-K advocates insist it is proven and will succeed if integrated with the rest of the child's schooling.

提倡学前班的人坚持认为，这是经过验证的，并且如果能与孩子的其他教育结合起来，就会取得成功。

10·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。

千米

1·5k (3.1 mile) - 18:50.

5千米(3.1英里)- 18：50。

2·If you have the same 5k time every time, it may be that you need some faster workouts.

如果你每次5千米成绩都一样，那也许你需要一些更快的练习。

3·Be consistent.A solid 10K race is not made from a handful of good runs, but rather the sum of good, bad and sometimes ugly workouts.

成功的10千米训练并不是由一些好的跑步完成的，更可能的是你有时跑的好，有时不好，还有的时候你根本就不愿意想起。

4·The difference between running for fitness and training for a 10K is that every workout has a purpose.

10千米竞速跑训练好健身跑的差别是你的每次锻炼都有目标。

5·Maybe you've always wanted to speak Spanish or enter a 5K race.

也许你一直都想说西班牙语或获得五千米赛跑的冠军。

(1)k value高锰酸钾值

(1)vitamin k维生素K