麻蝇

例句：

1. 1. The swarm of flies buzzing around the room made it difficult to concentrate.
   房间里嗡嗡作响的苍蝇群让集中注意力变得困难。
2. 2. The mosquitoes were biting her all night long.
   蚊子整晚都在咬她。
3. 3. The farmer sprayed a chemical to kill the gnats that were causing damage to his crops.
   农民喷洒了一种化学物质来杀死那些给作物造成损害的蚊子。