letter of the alphabet

Children often sing the alphabet song to learn the letters of the alphabet.

孩子们经常唱字母歌来学习字母表中的字母。

Please write each letter of the alphabet in both uppercase and lowercase forms.

请将字母表中的每个字母同时写成大写和小写形式。

She practiced writing every letter of the alphabet until her handwriting improved.

她练习书写字母表中的每个字母，直到书写变得更好。