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
megaton (n.)
[megaton 词源字典]
unit of explosive power equal to one million tons of TNT, 1952, from
mega-
+
ton
. Related:
Megatonnage
.
[megaton etymology, megaton origin, 英语词源]