英语翻译

题目

英语翻译
It was planted where its tough roots which grow up to five feet long could help hold back the soil.
麻烦翻译一下,什么叫grow up to five feet long

答案

它被种植在它强韧的生长到五英尺长的根可以用以固土的地方.grow up to five feet long .生长的5英尺长的.