the root of the plant

例句：

1. 1. The roots of the tree are visible from the ground.
   树的根部从地面可见。
2. 2. The roots of the tree are deep in the soil.
   树的根部深入土壤中。
3. 3. The roots of the tree are strong and can support the weight of the tree.
   树的根部强壮，能够支撑树木的重量。