a whetstone made of fine gritstone
n a whetstone made of fine gritstone
a whetstone for use with oil
a whetstone
a whetstone.
whetstone
n. 磨石
whetstone crystals
[医] 砥石结晶, 磨石结晶
whetstones
n. 磨石, 油石( whetstone的复数形式 )
