1·Cumulonimbus, along with cumulus, are the most dramatic types of cloud.
积雨云和积云是云中最神奇的类型。
2·Altocumulus clouds are small cumulus clouds that are knitted tightly together. These storm clouds often darken the land.
高积云是紧紧地交织在一起的小积云。这些雷雨云常常使大地一片昏暗。
3·He looked up at the piles of towering cumulus, and he examined the nails of his right hand, but he could not look at me.
他抬起头，望着天空中高耸厚重的积云，又检查了下右手指甲，但就是不能看着我。
4·Around midday, the fog lifted and puffy cumulus clouds appeared across the sky.
中午前后雾散了，满天出现了蓬松的积云。
5·A vorticity parameterization scheme for cumulus convection is derived by using a one dimensional steady cumulus model. The result is compared with that determined by synoptic-scale variables.
给出了一个基于一维定常积云模式的对流涡度参数化方案，并和天气尺度运动的计算结果作了比较。
1·In the next few pictures I'll show you how to perfect the illusion of marvellous fluffy cumulus clouds.
在接下来的几张图片里，我将向你展示如何使想象中蓬松的堆积的云层变得完美。