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
os-
[os- 词源字典]
frequent form of
ob-
before
-c-
and
-t-
in words from Latin.
[os- etymology, os- origin, 英语词源]