pyrotechnics造句

Over the years, everything from gas canons, pyrotechnics, lasers, ultrasound, stuffed owls and radio-controlled model aircraft have been tried to scare birds away from runways.

For a long time, it will inevitably be blurred by pyrotechnics. However, there will always be half a glass of glaze, bathed in the morning and evening drums, and will bring you and me together.