Step 11
To make the cloud, make several circles with the ellipse tool and put them together to form the cloud.
11.绘制云，先使用椭圆工具绘制几个圆，然后把它们进行排列组合，拼合成一个云。


Step 12
Now fill the empty space in the middle, select all the shapes and merge them with the Pathfinder.
12.现在闭合中间的空白区域，选择所有的形状，按路径查找器中的合并按钮。


Step 13
Build your illustration by starting with the clouds, then bubbles, then the leaves.
13.现在云，露珠，叶子都已经绘制好了。


Step 14
Make a line of circles and group them.
14.绘制一排圆，然后把它们编为一组（Ctrl+G）。


Step 15
Apply a 3D Extrude & Bevel with the settings shown below.
15.应用3D凸出和斜角，设置如下。

By clicking twice in the transparency panel, you’re going to make an opacity mask and the cylinders will disappear.
在透明度调板上点击2次，你就可以创建不透明面板了，此时圆柱隐藏。