植物的运气也不佳：有意引进澳大利亚的一种根生真菌已经毁灭了几个物种。

Plants have also fared badly: a root fungus deliberately introduced into Australia has destroyed several species.

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这种根茎长于地下——但它实际上是一种茎，不是根！

A rhizome is found underground - but it's actually a stem, not a root!

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老街是城市的一种根，它传承着城市千年的文化和历史。

The old street is the root of a city which carries forward the city's culture and history.

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Hopefully you would all choose the sweet if two are put in front of you.

如果这两种根同时摆在你们面前,希望你们都会选择甜的。

麻省理工公开课 - 化学原理课程节选