English主要词典
ABC
Universal Words
noun, abbreviation
noun [sing.] (BrE) (AmE ABCs [pl.])
1 all the letters of the alphabet, especially as they are learnt by children:
Do you know your ABC?
2 the basic facts about a subject:
the ABC of gardening
IDIOMS see EASY
abbreviation American Broadcasting Company (a large national American television company):
'Good Morning America' on ABC
