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
unforgettable (adj.)
[unforgettable 词源字典]
1806, from
un-
(1) "not" +
forgettable
. Related:
Unforgettably
.
[unforgettable etymology, unforgettable origin, 英语词源]