blunt-ended root

例句：

1. 1. The tree had a blunt-ended root that was difficult to dig through.
   这棵树有一个钝头根，很难挖出来。
2. 2. The scientist used a blunt-ended tool to remove the stone from the wall.
   科学家用一个钝头工具从墙上移除了石头。
3. 3. The blunt-ended root of the plant is what makes it grow well in the soil.
   植物的钝头根是它在土壤中良好生长的原因。