self-improvement是词组吗?

self-improvement是词组吗? Self-improvement是可数名词吗 self improvement怎么读 self-improvement怎么读 高手进 self-improvement, open-minded并不是英语翻译 improvement是动词吗 improvement是可数名词吗 关于self-improvement的名言警句 单词improvement是可数名词吗? 英语翻译The principle of self-improvement has taken varied forms Many resolution are about self-improvement.改为同义句 improvement可数吗