Because it hasn’t developed enough stiff, mineralized cartilage yet. A bite that would be lethal to a large marine mammal could damage the shark’s jaws.
然而，研究人员惊奇的发现，体长小于三米的鲨鱼仅仅是看上去凶巴巴，因为它们还没有发育出拥有足够刚性和矿化的软骨，对一个大型海洋哺乳动物的致命一咬会损坏鲨鱼自己的颚。
The air they breathe is so toxic that it would kill or lead to irreversible brain damage in any other mammal, the scientists said.
科学家说，它们呼吸的空气毒性极大，会杀死其它任何哺乳动物，或引起不可逆转的脑损伤。
A bite that would be lethal to a large Marine mammal could damage the shark's jaws.
对于大型海洋哺乳动物的致命一咬将会伤害到鲨鱼的下巴。
The invention provides a method for reducing oxidative damage in a mammal, a removed organ, or a cell in need thereof.
本发明提供了一种在有需要的哺乳动物、离体器官、或细胞中减少氧化性损伤的方法。
It is suggested that mammal an organism has a marked physiological compensation, regeneration and repair activity for DNA damage.
抑制作用特点：迅速、严重、恢复迅速，且有超常水平，提示动物机体对DNA烃化损伤具有较强的代偿、再生和修复能力。
It is suggested that mammal an organism has a marked physiological compensation, regeneration and repair activity for DNA damage.
抑制作用特点：迅速、严重、恢复迅速，且有超常水平，提示动物机体对DNA烃化损伤具有较强的代偿、再生和修复能力。
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