quword
趣词
Word Origins Dictionary
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
insincerity (n.)
[insincerity 词源字典]
1540s, from Latin
insincerus
(see
insincere
) +
-ity
.
[insincerity etymology, insincerity origin, 英语词源]