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
busy-work (n.)
[busy-work 词源字典]
also
busy work
, 1910, from
busy
(adj.) +
work
(n.).
[busy-work etymology, busy-work origin, 英语词源]
[busy-work 词源字典]