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
ignorance (n.)
[ignorance 词源字典]
c. 1200, from Old French
ignorance
(12c.), from Latin
ignorantia
"want of knowledge" (see
ignorant
).
[ignorance etymology, ignorance origin, 英语词源]
[ignorance 词源字典]