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
downtown (n.)
[downtown 词源字典]
1835, from
down
(adv.) +
town
. The notion is of suburbs built on heights around a city.
[downtown etymology, downtown origin, 英语词源]