Self-improvement是可数名词还是不可数名词?

Self-improvement是可数名词吗 Self-improvement是可数名词还是不可数名词? self-improvement是词组吗? improvement是可数名词吗 单词improvement是可数名词吗? self-improvement是什么意思 self improvement 解释 self-improvement是什么意思 self improvement怎么读 self-improvement怎么读 self-improvement是什么意思 self improvement怎么读 self-improvement是什么意思 self-improvement是什么意思 improvement可数吗 Self-improvement is masturbation and self-destruction.含义是什么? Many resolution are about self-improvement.改为同义句Many resolution ▁ ▁ ▁ ▁self-improvement improvement是动词吗