“tracer bullet”可以造什么句，tracer bullet造句

The nitrate and chlorate, very volatile, give off brilliant crimson flames and are used in flares, fireworks, and tracer bullets.

Celebratory gunfire and explosions rang out over the city and cars blaring their horns crowded onto the streets. Overhead, red tracer bullets darted into a black sky.

On summer afternoons, when the sun seeps under the trees to backlight the hive, the approaching sunlit bees zoom into their tiny dark opening like curving tracer bullets.

This kind of validation can only be done by developing a part of the solution ("walking skeleton", "spanning application", or "tracer bullet") to demonstrate that the architecture is viable.