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
invalidate (v.)
[invalidate 词源字典]
1640s, from
invalid
+
-ate
(2). Related:
Invalidated
;
invalidating
.
[invalidate etymology, invalidate origin, 英语词源]
[invalidate 词源字典]