n.

1. 蛾；蠹，蛀蟲[C]
   Is that a butterfly or a moth?

   那是蝴蝶還是飛蛾？

n.

a chiefly nocturnal insect having two pairs of broad wings covered in microscopic scales, typically drably coloured and held flat when at rest, and lacking the clubbed antennae of butterflies. [Most superfamilies of the order Lepidoptera.]