青蝇

例句：

1. 1.The flies were buzzing around the table.
   苍蝇在桌子上嗡嗡飞。
2. 2. The gnats were crawling all over the floor.
   蚂蚁在地板上爬来爬去。
3. 3. The flies were attracted to the sweet smell of the fruit.
   苍蝇被水果的甜香味吸引。