shows what can happen if nature is allowed to restore its own balance. 表明如果大自然得以恢复平衡 生态环境将大大好转
A rich and complex community that is kept in balance 这个丰富多样的群落想要保持生态平衡
The elephants dominate the water hole, but as night falls the balance of power will shift. 大象在这些水坑的控制权上占主导地位 但随着夜幕降临力量的对比将发生变化
and that long tail helps her balance. 长尾巴能保持身体平衡