So I sniff around to see what's buried. 所以我闻闻看埋的是什么。
Such an electronic nose would sniff the air around old books to find those that are so fragile they should not be lent out, for example, or are otherwise in need of preservation. 这种电子鼻嗅将围绕旧书空气来寻找,他们易碎,不应该被借出或以其他方式保存。