关于雅思的这道阅读题.

来源:百度知道 编辑:互助问答吧 时间:2022/05/26 13:04:21
of the 26 species that are known to have become successfully integrated into the local enviroment, only one, an african species released in northern australia, has reached its natural boundary. "has reached its natural boundary." 对前面说到的26种已经溶入当地的类种, 有什么影响吗?

有一种其实已经不太好了,快要到极限了,快要在哪里活不下去了