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
null (adj.)
[null 词源字典]
"void of legal force," 1560s, from Middle French
nul
, from Latin
nullus
"not any, none," from
ne-
"not, no" (see
un
-) +
illus
"any," diminutive of
unus
"one" (see
one
).
[null etymology, null origin, 英语词源]
[null 词源字典]