1. I got bitten by a sandfly while I was at the beach last weekend.
我上个周末在海滩被沙蝇咬了。

2. Make sure to bring insect repellent to protect yourself from sandflies when you go camping.
去露营时一定要带防虫剂，以免被沙蝇叮咬。

3. Sandflies are tiny insects that can leave itchy bites on your skin.
沙蝇是一种能在你皮肤上留下痒痒的咬痕的小昆虫。

4. The best way to avoid sandfly bites is to cover up exposed skin and wear long sleeves and pants.
避免被沙蝇叮咬的最好方法是遮盖暴露的皮肤，穿长袖和长裤。

5. We had to cut our hike short because the trail was infested with sandflies.
我们不得不提前结束徒步旅行，因为小径上到处都是沙蝇。

6. Don't scratch your sandfly bites, as it can lead to infection and scarring.
不要挠你的沙蝇咬痕，因为这可能导致感染和留下疤痕。