alphabet
单词辨析：
为 alphabet 的日常用语；也可引申指某学科的入门或基础知识，常用于 the ABC of sth 结构。
Her daughter started to learn her ABC when she was three years old.
她女儿3岁就开始学习英语字母了。
This book explains the ABC's of science.
这本书是科学的入门读物。
I began to learn the ABC's of music.
我已开始学习基本乐理知识。
在英国，ABC 也指按英语字母顺序排列的火车时刻表或旅行指南。
Hand me the ABC, I want to catch the 8 o'clock express.
把火车时刻表给我，我要赶8点的快车。
通常指一种语言的全部字母。
The English alphabet has 26 letters.
英语字母表有26个字母。
Can you recite the alphabet?
你会背诵字母表吗？
相关例句：
The liturgical language of the Coptic Church of Egypt and Ethiopia; written in the Greek alphabet.
埃及和埃塞俄比亚的科普特教堂的礼拜式的语言；用希腊字母所写。
He: Did you know there are 21 letters in the alphabet?
他：你知道吗，字母表中有21个字母？
How many letters are in the English alphabet?
英语字母表中有多少字母？
This dictionary uses a phonetic alphabet as a guide to pronunciation.
这本词典使用一套音标作为发音的指导。
Q come between p and r in the english alphabet.
在英语字母表中，Q位于P与R之间。
Problems arise when Martha, the family dog, learns to speak after eating alphabet soup.
家里的狗、玛莎喝了字母汤之后学会了说话，这时候问题来了。