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
billable (adj.)
[billable 词源字典]
1570s, from
bill
(v.) +
-able
.
[billable etymology, billable origin, 英语词源]