Each body cell contains an average of 90 trillion atoms—225 million times that 400，000.
Each body cell contains an average of 90 trillion atoms—225 million times that 400，000.
人体每个细胞平均有90万亿个原子，是40万个原子的22，500万倍。
Each body cell contains an average of 90 trillion atoms—225 million times that 400，000.
人体每个细胞平均有90万亿个原子，是40万个原子的22，500万倍。