Water is the essential substance of our daily life 水是人们日常生活中不可缺少的物质之一。
2.
Water is an essential substance to our body as it maintains body temperature , protects internal organs and body tissues , and transports nutrients , oxygen as well as waste products in our body 水份能维持体温,保护内脏及身体组织,传送养份、氧气及废物,对身体十分重要。