工厂烟囱排出的浓烟,在风的吹送下,渐渐消失在远方.微风能使烟呈现各种形状.如果你注意观察就会发现,早晨多看到扇形烟或斜抛烟,过一段时间后,你会看到熏地烟或俘获烟,再往后就会看到环形烟.下午较晚时,所有的烟都呈锥形.而傍晚,又重新变为扇形烟或斜抛烟.在一天之内,烟的形状为什么会发生这样的变化呢? The smoke emitted from the factory chimney gradually disappears into the distance when the wind blows. The breeze can make the smoke appear in various shapes. If you observe it, you will find that in the morning more fan-shaped smoke or oblique smoke is seen, after a while You will see the smoke from the smoke or the capture of smoke, and you will see the ring smoke later. In the late afternoon, all the smoke will be tapered. In the evening, it will be fan-shaped smoke or oblique smoke. Why does the shape of smoke change in a day?