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
immunization (n.)
[immunization 词源字典]
1893, from
immunize
+
-ation
.
[immunization etymology, immunization origin, 英语词源]
[immunization 词源字典]