防蝇网

例句：

1. 1. We need to keep ourkitchen clean to prevent flies from entering.
   我们需要保持厨房干净，以防止苍蝇进入。
2. 2. Therestaurant has installed a fly screen in thedining area to keep the flies away.
   这家餐厅在用餐区安装了防蝇网，以驱赶苍蝇。
3. 3. Thefarmer used a flyswatter to catch theflying insects that were bothering hiscrops.
   农民使用了一个防蝇网来捕捉那些打扰他庄稼的飞行昆虫。