... 磨刀石水盘 grindstone-trough 磨石,磨刀石。 rub stone 天然磨刀石 natural whet stone ...
双语例句
1
She rubbed the key on a stone, but she could not rub the mark away.
她用石头去磨钥匙,但是仍是无法抹掉这个印记。
2
She rubbed the key with a cloth, but the mark did not go away. She washed the key in hot water, but the mark was not washed away. She rubbed the key on a stone, but she could not rub the mark away.