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
velocimeter
[velocimeter 词源字典]
"An instrument for measuring velocity", Mid 19th century: from Latin
velox
,
veloc-
'swift' + -meter.
[velocimeter etymology, velocimeter origin, 英语词源]
[velocimeter 词源字典]