英语语法分析

Invasive species are driving away certain native species.

入侵物种正在驱赶某些本地物种。

Non-native species can appear harmless for decades, then turn invasive.

非本地物种可能会在几十年内看起来无害，继而变得有入侵性。

What is more, non-native species can appear harmless for decades, then turn invasive.

更重要的是，非本地物种可能会在几十年内看起来无害，然后变得有入侵性。