【英语2级听力】堆雪人-Making a Snowman

She wants to make a snowman. First, she rolls a large ball of snow. Second, she rolls a medium ball of snow. Finally, she rolls a small ball of snow for the snowman's head. She stacks¹ them up. The largest ball is on the bottom². She puts a carrot for the nose. She uses buttons for the eyes and mouth. The last thing she adds is a scarf.

1 stacks   

n.大量( stack的名词复数 )；大烟囱；（图书馆或书店的）书架v.堆积( stack的第三人称单数 )

参考例句：

• Thus, emissions from all stacks are considered only in the aggregate. 这样一来，来自所有烟囱的排放都被认为是一个整体。 来自英汉非文学 - 环境法 - 环境法
• Smoke poured out of the stacks of the factory. 烟从工厂的烟囱里喷出来。 来自辞典例句

2 bottom   

n.底部;屁股，臀部；adj.底部的

参考例句：

• The bottom of the cup is broken.这杯子的底破了。
• The channel must have a flat bottom.沟道的底要平。