| 释义 |
conservation /.konsa'veijn; zkans'vejan/ n [U] preservation; prevention of loss, waste, damage, etc: 保护; 保存 (以免损失、浪费、损坏等)： the ~ of forests/waterpower etc; 对于森林 (水力等) 的保护; the ~ of energy, the principle that the total quantity of energy in the universe never varies. 能笛不灭律 (号宙间能源的总和永远不变之定律) 。 |