现代俄语字母表有31个字母。

The modern Russian alphabet has 31 letters.

《柯林斯英汉双解大词典》

b是字母表的第二个字母。

'B' is the second letter of the alphabet.

《牛津词典》

这需要一个由单个字母组成的字母表。

This required an alphabet of individual letters.

youdao

We'll actually see it's a wonderful way of effectively looping yourself back around, for instance if you're at the end of the alphabet So what about those variables?

如果我们要将某些东西首尾连在一起,在这个圈里循环，你就会看到它的奇妙之处了，譬如,你在字母表末,好，我么继续，这些变量都是些什么？

哈佛公开课 - 计算机科学课程节选

I like it because it's a kind of image of the modern city that makes the modern city look like language, look like letters, look like a kind of scattered alphabet, a kind of babble.

我喜欢它是因为它呈现出了一幅现代城市的图画,使得城市看起来像语言一样，像字母一样，像打乱分散的字母表一样，像模糊不清的牙牙耳语。

耶鲁公开课 - 现代诗歌课程节选

Why didn't they keep right on going with G, H, I, J, K, L, M, N, O, P?

为什么他们不接着写下去呢,按照字母表

耶鲁公开课 - 聆听音乐课程节选