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
R.O.T.C.
[R.O.T.C. 词源字典]
also
ROTC
, 1916, American English, initialism (acronym) for
Reserve Officers' Training Corps
, established as part of the National Defense Act of 1916.
[R.O.T.C. etymology, R.O.T.C. origin, 英语词源]