包含有字母表中所有字母并且言之成义的句子称为全字母句(英语:pangram或holoalphabetic sentence,希腊语:pan gramma(意为“每一个字母”))。全字母句被用于显示字体和测试打字机。英语中最知名的全字母句是“The quick brown fox jumps over the lazy dog(敏捷的棕色狐狸跳过懒狗身上)”。
A Pangram (Greek:παν γράμμα, pan gramma, "every letter") or holoalphabetic sentence for a given alphabet is a sentence using every letter of the alphabet at least once. Pangrams have been used to display typefaces, test equipment, and develop skills in handwriting, calligraphy, and keyboarding.