translation.en: 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.
translation.zh: 他回来又检查了一遍控制洞 但又回到第一个洞 锁定了这个气味 这意味着我们可以使用狗 来帮助杀虫员更好地找到 这片田野里蚊子的繁殖区 更好地去打击疟疾