He's one of 34 specialist sniffer dogs at Frankfurt Airport.

它是法蘭克福機場 34 只專業嗅探犬之一。

Max has been training for this work since he was a puppy.

Max 從幼犬時期就開始接受這方面的訓練。

His handler is trained to recognise his movements and his interest.

它的馴養員受過訓練，能識別它的動作和興趣。

He can detect seven different illegal drugs by smell alone, and expects a reward each time he makes a find.

它僅憑嗅覺就能檢測出七種不同的非法毒品，每次找到毒品都會得到獎勵。

The trained professional begins his shift.

訓練有素的專業人員開始值班。

He's watched by his boss, Dieter Keller, head of the custom services dog training unit.

他的上司迪特爾-凱勒（Dieter Keller）是定製服務警犬訓練部門的負責人。

Dieter usually works with purebred Labradors, Alsatians and Malinois, but he made an exception when Max's intelligence caught his eye at a rescue centre.

Dieter 通常與純種拉布拉多犬、阿爾薩斯犬和馬力諾犬打交道，但當 Max 的聰明才智在一家救助中心引起他的注意時，他破例與 Max 合作。

A breech, Max is no breech.

臀位，麥克斯沒有臀位。

It needs a lot of concentration to do this work.

做這項工作需要高度集中注意力。

To do this work is hard work for the dog.

做這些工作對狗來說是很辛苦的。

Max runs the line, checking over 40 cases in just 100 seconds.

馬克斯在 100 秒內檢查了 40 多個病例。

This flight is clean.

這次飛行很乾淨。

But Dieter has evidence of his canine crew's ability to sniff out narcotics.

但迪特爾有證據表明，他的警犬隊有能力嗅出毒品。

A lot of money, hidden in a tiny package.

一大筆錢，藏在小小的包裹裡。

But the most sensitive detecting device in the entire airport allows Max to find it amongst the cases.

但整個機場最靈敏的探測設備讓麥克斯在箱子中找到了它。

Human noses have 6 million smell receptors.

人的鼻子有 600 萬個嗅覺受體。

Dogs have 300 million.

狗有 3 億隻。

But that's just the start.

但這僅僅是個開始。

A dog's nose contains a fold of tissue a human's doesn't have.

狗鼻子上有人類鼻子上沒有的組織褶皺。

When dogs inhale, it forces air over their smell receptors.

當狗吸氣時，空氣會穿過它們的嗅覺感受器。

The way they exhale is also different.

他們呼氣的方式也不同。

Humans force air out the same way it came in.

人類迫使空氣以進入的方式排出。

But dogs breathe out through slits at the side of their noses.

但狗是通過鼻側的縫隙呼吸的。

So they never have to stop sniffing.

這樣，它們就永遠不用停止嗅聞了。

In fact, dogs devote 40 times more brain space to analysing smells than humans.

事實上，狗用於分析氣味的大腦空間是人類的 40 倍。

As a result, a dog's sense of smell is 100,000 times more sensitive than their handler's.

是以，狗的嗅覺比馴狗師靈敏 10 萬倍。