原级：cicada
1. At night, the chirp of cicadas became a pleasant background din.
2. Silence has replaced the shouts of hawkers, the putting engines of motorbike taxis and the drone of cicadas.
3. cicadas
3. Local villagers said cicadas usually begin singing in April and stop in September every year.
4. Cicadas can be seen in every tree, grassland and farmland in the village.
5. I was totally attracted by the beautiful scenery and the sounds of cicadas and frogs murmuring.
6. It was noon and the village was quiet, except for the occasional singing of cicadas.
7. The world of cicadas - a collection of Zhong Ming's compelling photos of cicadas.
8. Wang was riding a bicycle when he spotted two boys catching cicadas.