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
pen-pal (n.)
also
pen pal
, 1931, from
pen
(n.1) +
pal
(n.). gradually replacing earlier
pen-friend
(1919).