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
per annum
[per annum 词源字典]
Latin, literally "by the year," from
per
(see
per
) +
annum
, accusative singular of
annus
"year" (see
annual
).
[per annum etymology, per annum origin, 英语词源]