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
subregion (n.)
[subregion 词源字典]
also
sub-region
, 1830, from
sub-
+
region
(n.). Related:
Subregional
.
[subregion etymology, subregion origin, 英语词源]
[subregion 词源字典]