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
trifocals (n.)
[trifocals 词源字典]
1899, from
bifocals
with
tri-
.
[trifocals etymology, trifocals origin, 英语词源]
[trifocals 词源字典]