We already had a special torch that can 'smell' henna plants, as well as normal cameras that can see warm spots.

我们还拥有了可以“嗅”到指甲花植物的特殊装置和可以观测到发热源的摄影机。

youdao

We already had a special torch that can 'smell' henna plants, as well as normal cameras that can see warm spots.

我们还拥有了可以“嗅”到指甲花植物的特殊装置和可以观测到发热源的摄影机。

youdao