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
coarsen (v.)
[coarsen 词源字典]
1805, from
coarse
+
-en
(2). Related:
Coarsened
;
coarsening
.
[coarsen etymology, coarsen origin, 英语词源]