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
F.M.
[F.M. 词源字典]
1922, abbreviation of
frequency
modulation
.
[F.M. etymology, F.M. origin, 英语词源]