迟些实验室中的研究显示艾菊产生了一种能够让薯虫保持距离的自然化学物品。

Studies conducted later in a laboratory show that tansy can produce a natural chemical that keeps the potato beetle at a distance.

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比如，科罗拉多薯虫不喜欢艾菊，因为艾句的叶子有强烈的味道。

For example, Colorado potato beetles do not like tansy because of the strong smell of his herb.

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比如，科罗拉多薯虫不喜欢艾菊，因为艾句的叶子有强烈的味道。

For example, Colorado potato beetles do not like tansy because of the strong smell of his herb.

youdao