A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
hadn't
[hadn't 词源字典]
by 1705, contraction of
had not
.
[hadn't etymology, hadn't origin, 英语词源]
[hadn't 词源字典]