提高苹果自身的抗病能力章鱼在受到惊吓时，会改变体色，并释放一种黑色、墨水似的液体，以逃避敌人的进攻。在植物王国里，也同样具有这种保护机制，其中之一就是生长于树上的嫩苹果，它能保护自己免遭普遍存在的腐烂病菌的危害。但这种保护的缺点是，在苹果成熟后，其保... Improves Apple’s Resistance to Disease Octopus, when frightened, changes body color and releases a black, inky liquid to evade enemy attacks. In the plant kingdom, the same is true of this mechanism of protection, and one of them is the young apple growing in the tree that protects itself from the ubiquitous rot pathogen. But the disadvantage of this protection is that after the apple matures, its security ...