Cumulus Form

• 积云层

Cumulus Form的用法和样例：

例句

1. In each one the exotic landscape or cloud form has been imaged as a kind of pointillistic nightmare.
   其中每一副奇特的地表图或云层形态图象都是一种用点描画法绘制成的难看的怪物。
2. Tornadoes form when winds blowing in different directions meet in the cloud and begin to turn in circles.Warm air rising from below causes the wind tube to reach toward the ground.
   当云层中不同方向的风相遇且开始环向旋转时就形成龙卷风，低空热气流上升致使这种风管伸向地面。