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Let's see if these owners can understand what different barks mean.
讓我們看看主人們是否明白不同叫聲的含義。
Put them on the dog. She's probably better to tell the difference than me.
給狗狗戴上吧。她也許能比我更能辨別。
Ok. Can't hear a thing. It's unhappy. It wants attention. It's frustrated.
好了。什么也聽不到。它不開心。它希望得到關注，很沮喪。
I visualise him in an open space on a lead and he wants to be off and to go to somewhere or somebody.
我能想像它在空地上，拴著狗鏈。它想掙脫鎖鏈去別的地方或是找什么人。
It sounds quite a happy bark. It sounds as if it's playing.
這叫聲聽起來蠻開心的。聽上去它正在玩。
To me, that sounds like you're just about to throw a ball for the dog and there's that level of excitement.
對我而言，這叫聲像是你正準備給它丟個球過去時它的那股興奮勁兒。
It's running all around you.
它在你旁邊跑來跑去。
It's been identified that dogs can communicate at least six different emotions to us through their barks.
我們已經能肯定狗能通過吠叫向我們傳達至少六種不同的情緒。
That's why I know what you're thinking.
所以我才知道你在想什么。
That just proves, doesn't it, that dogs can talk by barking.
恰恰證明了狗能通過吠叫來溝通，不是嗎。
Back with our growing puppy. She's not trying to communicate with us just yet.
再來看看我們成長中的小狗。她目前還沒想要和我們溝通。
Only five weeks old, the puppies are still finding their feet and slowly gaining independence from their mother.
它們才五周大，還在努力適應環境，慢慢從媽媽身邊獨立。
Milk is replaced with a first tentative interest in water.
對奶水的興趣轉向了對水的首次試探。
The tip of a dog's tongue has tastebuds just for water.
狗的舌尖有專門辨別水的味蕾。
They create a desire to drink, which is important, as their natural diet of meat is high in salt.
這些味蕾激發飲水的欲望。這很重要，因為它們天生吃肉，含鹽量很高。
But even the simple act of drinking is more complicated than it looks.
即便是簡單的飲水動作也比看上去復雜得多。
Dogs curve their tongue into the water to create a large surface area to stick the water to.
狗卷起舌頭伸入水中增大與水的接觸面積，讓水留在舌頭上。
They pull it up into their mouth, snapping it shut before all the water escapes.
再把舌頭收回口中，在水流光前迅速閉上嘴。
It's a surprisingly complex and beautiful process for such a simple daily requirement.
這樣異常復雜且美麗的過程，完成的卻是如此簡單的日常需求。
And it's also why dogs make such a mess when they're drinking.
這也是狗喝水時總弄得一團糟的原因。
