ragwort
- 1. Ragwort contains a battery of toxic and resilient alkaloids: even honey made from its flowers contains the poison in dilute form.
- 狗舌草含有大量有毒且适应力强的生物碱：即使是用它的花制成的蜂蜜也含有稀释后的毒素。
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- 2. Ragwort was accidentally introduced to New Zealand in the late nineteenth century and, like so many invading foreign species, quickly became a pest.
- 19世纪末，狗舌草被偶然引入新西兰，像许多入侵的外来物种一样，它很快就变成了一种有害生物。
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- 3. The severity of the impact was increased because cattle, which were displacing sheep, are much more sensitive than sheep to the toxins contained in ragwort.
- 由于正在取代绵羊的牛对千里光草中含有的毒素比绵羊敏感得多，影响的严重程度有所增加。
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- 4. There is a suggestion that ragwort honey might not be safe for humans, but there is no indication that this made the timing of the proliferation particularly unfortunate.
- 有一种说法是，泽菊蜜可能对人体不安全，但目前没有迹象表明，这使得繁殖的时机把握得特别不幸。
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- 5. American ragwort with yellow flowers.
- 美洲产的开黄花的千里光。
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- 6. In 2006, the golden ragwort first bloomed on May 26, Dr. Primack observed; this year it flowered three days earlier.
- 据普利马克的观察，金色的刘寄奴在2006年开花于五月26日；今年比它早了三天。
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- 7. In 2006, the golden ragwort first bloomed on May 26, Dr. Primack observed; this year it flowered three days earlier.
- 据普利马克的观察，金色的刘寄奴在2006年开花于五月26日；今年比它早了三天。
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