1. `B´ is the second letter of the alphabet.
    B是字母表中的第二个字母.

2. There are 26 letters in the English alphabet.
    英语字母表中有26个字母.

3. The movements represented the letters of the alphabet.
    不同的动作代表不同的字母。

4. “That means that instead of working with them in the fields, their 6-year-old is in school learning the alphabet and how to add and subtract.
    "这就意味他们6岁大的孩子不再跟着自己在地里干活，而是要到学校里学习字母和加减法。