以前幼稚園學a for apple,b for boy,而家a for什麼?

A For Apple B For Boy
作詞：-- 作曲：--
A B C D E F G, sing a song of A B C
Come on boys and come on girls
Sing a song of ABC
A for Apple B for Boy
C for Cat and D for Dog
E for Egg and F for Fish
G for Girl and H for Hand
I for Ice-scream and J for Jet
K for Kite and L for Lamp
M for Man and N for Nose
O for Orange and P for Pen
Q for Queen and R for Rain
S for Sugar and T for Tree
U for Umbrella and V for Van
W for Water and X for X'mas
Y for Yellow and Z for Zoo
It's simple all can do
Come on boys and come on girls
Sing a song of ABC
A B C D E F G, sing a song of A B C
Come on boys and come on girls
Sing a song of ABC