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
discretionary (adj.)
[discretionary 词源字典]
1680s (implied in
discretionarily
); see
discretion
+
-ary
.
[discretionary etymology, discretionary origin, 英语词源]
[discretionary 词源字典]