相信许多人都曾经仰望过蓝天,欣赏过云朵的千变万化,感受过“风起云涌”的自然之美。但美丽的云儿究竟从哪里来,不见得每个人都清楚!云的诞生简单来说,就是由存在于大气中的小水滴或小冰晶所形成的。要形成一朵云得具备这么几个条件:要有空气上升、空气要能达到饱和、水蒸气要能凝结成水滴等。让空气上升的方法有三种:第一种是热对流,例如早上你看到天 I believe many people have looked up at the blue sky, admired the ever-changing cloud, feel the “surging” of natural beauty. However, where the beautiful clouds come from, not necessarily everyone knows! The birth of the cloud is simply formed by the presence of small droplets or ice crystals in the atmosphere. To form a cloud to have such a few conditions: to have the air to rise, the air to be able to reach saturation, water vapor to condense into water droplets and so on. There are three ways to get the air up: the first is convection, for example, you see the sky in the morning