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Today, there are more than 30,000 species of fish. 今天存在超过三万种鱼
Walden21
15 0 1

The pairing of backbones with jaws was to prove a winning combination. 颌搭配脊椎是胜利的组合 So perfect that, from this moment on, 如此完美 以至于从这一刻开始 the vertebrates would never look back. 脊椎动物将永不回头 Today, there are more than 30,000 species of fish. 今天存在...

So perfect that, from this moment on, 如此完美 以至于从这一刻开始
Walden21
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the juvenile's jaws are not yet strong enough to break its shell. 幼鱼的颌尚不够强大 无法咬破它的壳 But the adult's are. 但成年邓氏鱼可以 The pairing of backbones with jaws was to prove a winning combination. 颌搭配脊椎是胜利的组合 So perfect that, from this moment o...

But the adult's are. 但成年邓氏鱼可以
Walden21
15 0 1

As long as it can find the right angle. 只要找到合适的角度就行 Luckily for the ammonoid, 菊石很幸运 the juvenile's jaws are not yet strong enough to break its shell. 幼鱼的颌尚不够强大 无法咬破它的壳 But the adult's are. 但成年邓氏鱼可以 The pairing of backbones with jaws...

The pairing of backbones with jaws was to prove a winning combination. 颌搭配脊椎是胜利的组合
Walden21
15 0 3

Luckily for the ammonoid, 菊石很幸运 the juvenile's jaws are not yet strong enough to break its shell. 幼鱼的颌尚不够强大 无法咬破它的壳 But the adult's are. 但成年邓氏鱼可以 The pairing of backbones with jaws was to prove a winning combination. 颌搭配脊椎是胜利的组合 So ...

the juvenile's jaws are not yet strong enough to break its shell. 幼鱼的颌尚不够强大 无法咬破它的壳
Walden21
15 0 1

It can bite down and crush its prey. 它能咬住并咬碎猎物 As long as it can find the right angle. 只要找到合适的角度就行 Luckily for the ammonoid, 菊石很幸运 the juvenile's jaws are not yet strong enough to break its shell. 幼鱼的颌尚不够强大 无法咬破它的壳 But the adult's a...

Luckily for the ammonoid, 菊石很幸运
Walden21
15 0 0

Jaws. 颌 It can bite down and crush its prey. 它能咬住并咬碎猎物 As long as it can find the right angle. 只要找到合适的角度就行 Luckily for the ammonoid, 菊石很幸运 the juvenile's jaws are not yet strong enough to break its shell. 幼鱼的颌尚不够强大 无法咬破它的壳 But the adult...

As long as it can find the right angle. 只要找到合适的角度就行
Walden21
15 0 3

But Dunkleosteus has a weapon its tiny ancestors did not. 但是邓氏鱼 拥有自己微小祖先所没有的武器 Jaws. 颌 It can bite down and crush its prey. 它能咬住并咬碎猎物 As long as it can find the right angle. 只要找到合适的角度就行 Luckily for the ammonoid, 菊石很幸运 the juvenile's jaw...

It can bite down and crush its prey. 它能咬住并咬碎猎物
Walden21
15 0 1

Once upon a time, this defense would have worked. 在过去 这种防御会有效果 But Dunkleosteus has a weapon its tiny ancestors did not. 但是邓氏鱼 拥有自己微小祖先所没有的武器 Jaws. 颌 It can bite down and crush its prey. 它能咬住并咬碎猎物 As long as it can find the right angle. 只要找...

Jaws. 颌
Walden21
15 0 0

shielding its body with its shell. 用壳保护自己的身体 Once upon a time, this defense would have worked. 在过去 这种防御会有效果 But Dunkleosteus has a weapon its tiny ancestors did not. 但是邓氏鱼 拥有自己微小祖先所没有的武器 Jaws. 颌 It can bite down and crush its prey. 它能咬住并咬碎猎...

But Dunkleosteus has a weapon its tiny ancestors did not. 但是邓氏鱼 拥有自己微小祖先所没有的武器
Walden21
15 0 2

the ammonoid does the same... 菊石也绕圈 shielding its body with its shell. 用壳保护自己的身体 Once upon a time, this defense would have worked. 在过去 这种防御会有效果 But Dunkleosteus has a weapon its tiny ancestors did not. 但是邓氏鱼 拥有自己微小祖先所没有的武器 Jaws. 颌 It can bi...