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
rucksack (n.)
[rucksack 词源字典]
1866, from German
Rucksack,
from Alpine dialect
Rück
"the back" (from German
Rücken
; see
ridge
) +
Sack
"sack" (see
sack
(n.1)).
[rucksack etymology, rucksack origin, 英语词源]
[rucksack 词源字典]