给植物换盆时，小心不要损伤其根部。

Be careful not to damage the ___root when repotting the plant.

一些传统药物是用特定植物的干根制成的。

Some traditional medicines are made from the dried ___root of certain plants.

胡萝卜实际上是一种可食用的根茎。

Carrots are actually a type of edible ___root.