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
limen
[limen 词源字典]
"A threshold below which a stimulus is not perceived or is not distinguished from another", Mid 17th century: from
Latin
, 'threshold'.
[limen etymology, limen origin, 英语词源]
