果蝇

wǒ men shēn shòu guǒ yíng zhī hài

我们深受果蝇之害。

We are deeply cursed with a plague of fruit flies.

suǒ yǒu guǒ yíng dōu jīng lì sì gè shēng mìng jiē duàn luǎn yòu chóng yǒng hé chéng chóng

所有果蝇都经历四个生命阶段：卵、幼虫、蛹和成虫。

All flies pass through four life stages: egg, larva, pupa and adult.