Things in life start out being general cell, and they become specialized: You have tissue cells, you have muscle, brain cells. And same things happens with say, a hammer, which is general at first and becomes more specific.
生命は一般的な細胞から始まり 特殊なものに変化します 人は組織細胞を持ち 筋肉、脳細胞を持っています 同じ事は 例えば金槌にも起こり 最初は一般的な形で 徐々に特殊になっていきます