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
preoccupied (adj.)
[preoccupied 词源字典]
"absorbed in thought," 1823, past participle adjective from
preoccupy
(v.). Earlier it meant "occupied in advance."
[preoccupied etymology, preoccupied origin, 英语词源]
[preoccupied 词源字典]