在线词典砥砺磨刀石;磨炼:~节操|~革命意志;勉励:互相~。拼音dǐ lì解释磨刀石;磨炼:~节操|~革命意志;勉励:互相~。英文释义whetstone; (lit. and fig.) to hone; to sharpen; to encourage