胡萝卜实际上是一种可食用的根茎。
Carrots are actually a type of edible ___root.
根从土壤中吸收水分和养分。
The ___root absorbs water and nutrients from the soil.
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.