So why not just take a great sniffer dog and clone it instead?

所以，如果一条嗅探犬非常出色，为什么不克隆它呢？

youdao

We wait among teams of Italian sniffer dog teams, literally straining at the leash to get going.

我们和救援队包括一支意大利搜救犬队伍一起等待入境，像被狗带栓着似的无法动弹。

youdao

The cybernose could also one day replace the sniffer dog for airport security, and could become a quick and non-invasive first medical test for some kinds of cancers.

数位式的鼻子日后也有可能取代机场保安的缉查犬，也有可能变成一个对于某些癌症快速及非侵入性的初步医学检验。

youdao

Now,officials at the Glasgow airport in Scotland are testing a new security device called an "electronic sniffer dog."

VOA: special.2011.01.17

Using a specially trained sniffer dog, he found petrol in the carpet of the hallway but none outside.

BBC: Derby death blaze trial told the fire 'would have roared'

Specialist search teams, including one using a sniffer dog, arrived at Veronica Flats in Sandplace Road, to search for a missing woman.

BBC: Landslip body found as weather bites

The Eritrean nationals were discovered by a sniffer dog named Mitzy after UK immigration officials checked the lorry at Dunkirk port in northern France.

BBC: Dog sniffs out illegal immigrants' coffin ruse