字母 /zìmǔ/ angolul

alphabet [alphabets]▼(an ordered set of letters used in a language)
noun
[UK: ˈæl.fə.bet] [US: ˈæl.fə.ˌbet]

letter [letters]▼(a symbol in an alphabet)
noun
[UK: ˈle.tə(r)] [US: ˈle.tər]