1. I could hear the katydids singing in the trees as I walked through the forest.
我在森林中散步时能听到蝈蝈在树上唱歌。

2. The sound of the katydids chirping at night is so soothing and peaceful.
夜晚蝈蝈的叫声如此令人感到宁静和平静。

3. We spent the evening sitting on the porch, listening to the katydids and watching the fireflies.
我们在门廊上度过了晚上，听蝈蝈叫声，看着萤火虫。

4. The katydids are most active during the summer months when the weather is warm.
蝈蝈在夏季天气暖和时最活跃。

5. The children caught a katydid in the backyard and marveled at its vibrant green color.
孩子们在后院捉到了一只蝈蝈，对它鲜艳的绿色感到惊奇。

6. Farmers often rely on katydids to control pest populations in their crops.
农民经常依靠蝈蝈来控制作物中的害虫数量。