tussock

例句：

1. 1.The farmer has a tussock of hay in his barn.
   农场主的谷仓里有一个草堆。
2. 2. The dog was sleeping on a tussock of grass.
   那只狗躺在草堆上睡觉。
3. 3.The farmer used the tussock to make a fire for warmth.
   农场主用这个草堆生火取暖。