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This creature's armor protects something else as well, its eyes.
這種生物的甲殼還保護了其他東西——它的眼睛。
The eyelids of an Ankylosaurus are made of bone.
甲龍的眼瞼是由骨頭構成的。
Ankylosaurus are enourmous, they didn't have legs, they didn't need to trace after their prior vegetation.
甲龍體型龐大，它們腿部不發(fā)達，不用尋找植物。
They weren't going anywhere but just there.
它們用不著去什么地方，待在原地就行。
They had these bone plates that formed its skin.
它們的骨構成了表皮。
And this is similar to what we see in crocodiles, armor on the back.
這與今天的鱷魚類似，背部的甲殼。
Well, Ankylosaurus they went even further.
而甲龍進化得更深。
They encase their entire backs besides their bellies,
除了腹部以外的整個背部都在甲殼里，
even develop these bones in their eyelids so that have armored eyelids.
甚至連眼瞼都有了骨骼，形成了裝甲眼瞼。
But a body covered in steel-tough armor is only the beginning.
但是全身鐵甲覆蓋只是第一步。
Ankylosaurus also has a powerful offensive weapon-its tail, a club that can pummel an opponent with 90 tons of force.
甲龍還擁有一個強有力的攻擊武器，它的尾巴是一根能以九十噸的力道攻擊敵人的骨錘。
The top half is composed of muscle.
尾部前半段由肌肉組成。
The vertebrae on the lower half are fused together to form a solid, rodlike whip.
后半段的脊椎融合在一起，形成了堅硬的鞭子。
This tail can snap more than 45 degrees in either direction.
這條尾巴可以向任意方向擺動45度以上。
At the very end is a bony mass like a built-in sledgehammer.
最末端是一段骨塊，好像一把內置榔頭。
A giant mace that's really well built for smashing into the heads or the legs of Tyrannosaurus and its relatives.
這根巨型狼牙棒就是為了擊碎霸王龍，以及同種的頭或者腿骨而生的。
This tail is capable of enough power to shatter the leg bones of almost any predator, no matter how big.
尾巴足夠有力，可以粉碎任何食肉動物不管多么巨大的腿骨。
An impact from that club could crush bone, shatter teeth,
那根骨錘的撞擊可以粉碎骨骼牙齒，
if not kill the T. Rex outright, wound it in such a way that it's likely to starve to death.
即使不能立刻殺死雷克斯霸王龍，也能使其身受重傷，最后活活餓死。
Like a wrecking ball weighing almost 45 kilograms, swinging at a speed of 78 kilometers per hour, it strikes a devastating blow.
就像重達45千克的破碎球以78千米每小時的速度搖擺，它帶來了毀滅性的撞擊。
The tip is designed not to spilt on impact.
骨頭的尖端并不能分散沖擊力。
It absorbs the stress of all that raw power the hammer gives because it's not solid bone.
而只能吸收來自鐵錘的原始能量，因為它并不是致密骨。
Instead, it's honeycombed with soft tissue, marrow, blood, and fat.
相反，它的蜂窩狀結構里充滿了軟組織，骨髓，血液和脂肪。
Ankylosaurus combines steel-like protective plates with a powerful offensive weapon.
甲龍將鐵一般的護甲與強有力的攻擊武器結合。
The result-- a creature with few rivals over more than 100 million years of evolution.
其結果就是，這種生物在其一億年的進化過程中都鮮有對手。
