疼痛是身体防御系统的一部分。

Pain takes part in the body's defense system.

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仅仅动物蛋白本身，就会导致身体防御机制失效。

Pure animal protein itself, causes our body to rebel in the form of our defense system failing.

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科学家表示，维他命D对激活身体防御系统至关重要。

Scientists say vitamin D is vital in activating human defenses.

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The hoplite himself is marked by, first of all, the shield and second of all, as we continue to think about his defensive capacities, he has a certain amount of armor to protect his body.

重装步兵的标志,首先就是盾牌,其次,和我们将要说到的防御力有关,就是士兵的身体有一定程度的护甲保护

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