black·fly
noun/ˈblækflaɪ/
/ˈblækflaɪ/
(plural blackfly, blackflies)
- a small black or dark green insect that damages plants
黑蚜虫，深绿色蚜虫（侵害植物） - (also black fly)a small black fly that bites humans and animals and drinks their blood
蚋（吸血）