蜘蛛纲

Even though they are harmless to humans, the way these tiny predatory arachnids hunt is eerie nonetheless.

尽管它们对人类不会造成伤害，但是这些小小的食肉蜘蛛纲的捕食方式实在是诡异。

After spending a week learning about insects and arachnids in 7th grade, it became my goal to become an´arthropod expert.´

初一那年我们学生物的昆虫纲和蜘蛛纲，一周之后我就立志要做个节肢动物学家。

Often mistaken for insects, spiders actually belong to a different classification of creatures, called arachnids .

蜘蛛往往被误认为昆虫，其实它们属于一种不同类型的生物，称为蜘蛛纲的动物。

any of numerous very small to minute arachnids often infesting animals or plants or stored foods.

各种非常小及微小蜘蛛纲动物，经常寄生在动物或植物或储存的食品中。

We´re facing a far more serious problem than stray arachnids.

我们面对的问题可比蜘蛛纲动物严峻得多