According to a new study, malaria victims give off odors that attracts mosquitoes.

根据一项最新的研究显示，患有疟疾的人身上散发的气味更容易吸引蚊子。

And you can always spot spoiled produce by off odors, slimy surfaces, and mold.

而且你可以通过异味、粘稠的表面和霉菌来发现变质的产品。