four-barrel

例句：

1. 1.The wine was stored in four barrels.
   葡萄酒被存放在四个桶里。
2. 2. She had four barrels of flour for the baking.
   她有四桶面粉用来烘焙。
3. 3.The ship had four barrels of water aboard.
   船上有四桶水。