He's going back to check the control holes again, but he's coming back to the first one, and now he's locking into that smell, which means that now we can use dogs with these inspectors to much better find the breeding sites of mosquitos in the field, and therefore have a much bigger impact on malaria.
再度 他の穴を調べて 匂いのする穴に戻って来ました そこから離れません つまり このように犬を使って より効果的に蚊の幼虫の生息地を 探し出せるわけです これで より効果的に マラリアを防ぐことができます