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
well-informed (adj.)
[well-informed 词源字典]
mid-15c., from
well
(adv.) + past participle of
inform
(v.).
[well-informed etymology, well-informed origin, 英语词源]