But milk wasn't the early mammals' only secret weapon. 但是母乳并不是 早期哺乳动物唯一的秘密武器 They also had brain power. 它们还拥有脑力 And it's still just as important today. 这在今天依然非常重要 In the forests of Costa Rica, 在哥斯达黎加的森林中 this capuchin monkey is ...
They also had brain power. 它们还拥有脑力 And it's still just as important today. 这在今天依然非常重要 In the forests of Costa Rica, 在哥斯达黎加的森林中 this capuchin monkey is trying to solve a puzzle. 这只卷尾猴正在努力解开一道谜题 How to get the meat from inside a closed cl...
even when food is scarce. 甚至包括食物稀缺的时候 But milk wasn't the early mammals' only secret weapon. 但是母乳并不是 早期哺乳动物唯一的秘密武器 They also had brain power. 它们还拥有脑力 And it's still just as important today. 这在今天依然非常重要 In the forests of Costa Ric...
They can feed their young whenever they choose, 它们可以随时喂养幼崽 even when food is scarce. 甚至包括食物稀缺的时候 But milk wasn't the early mammals' only secret weapon. 但是母乳并不是 早期哺乳动物唯一的秘密武器 They also had brain power. 它们还拥有脑力 And it's still just...
Milk. 母乳 They can feed their young whenever they choose, 它们可以随时喂养幼崽 even when food is scarce. 甚至包括食物稀缺的时候 But milk wasn't the early mammals' only secret weapon. 但是母乳并不是 早期哺乳动物唯一的秘密武器 They also had brain power. 它们还拥有脑力 And it's s...
Fortunately, 幸运的是 mammals have evolved an extraordinary solution. 哺乳动物 已经进化出一种非凡的解决方案 Milk. 母乳 They can feed their young whenever they choose, 它们可以随时喂养幼崽 even when food is scarce. 甚至包括食物稀缺的时候 But milk wasn't the early mammals' only ...
That means these babies need plenty of energy. 这意味着这些宝宝需要足够的能量 Fortunately, 幸运的是 mammals have evolved an extraordinary solution. 哺乳动物 已经进化出一种非凡的解决方案 Milk. 母乳 They can feed their young whenever they choose, 它们可以随时喂养幼崽 even when food is scarc...
mammals have evolved an extraordinary solution. 哺乳动物 已经进化出一种非凡的解决方案 Milk. 母乳 They can feed their young whenever they choose, 它们可以随时喂养幼崽 even when food is scarce. 甚至包括食物稀缺的时候 But milk wasn't the early mammals' only secret weapon. 但是母...
so can be active at all times. 因此能够随时保持活跃状态 That means these babies need plenty of energy. 这意味着这些宝宝需要足够的能量 Fortunately, 幸运的是 mammals have evolved an extraordinary solution. 哺乳动物 已经进化出一种非凡的解决方案 Milk. 母乳 They can feed their young whenever the...
coatis are warm-blooded, 长鼻浣熊是温血动物 so can be active at all times. 因此能够随时保持活跃状态 That means these babies need plenty of energy. 这意味着这些宝宝需要足够的能量 Fortunately, 幸运的是 mammals have evolved an extraordinary solution. 哺乳动物 已经进化出一种非凡的解决方案 Milk. 母乳 The...