英语语法分析

Scientists also find it difficult to dig up Kudzu.

科学家们也发现挖掘葛根很困难。

At the very least, kudzu serves as an example of the unexpected results that can come from nonnative plants.

至少，葛根可以作为一个例子，证明非本地植物会带来意想不到的结果。

In which content many is Kudzu root element.

其中含量较多的是葛根素。