| 1. | I prefer the daisy and the knapweed in particular
我特别喜欢雏菊和矢车菊。
|
| 2. | Investigators have found that the knapweed ' s roots exude a toxin that builds up in the soil
研究者发现，这种矢车菊根部分泌的一种毒素会渗进土壤里，使得其他植物的细胞大量死亡，并抑制萌芽与生长。
|
| 3. | The spotted knapweed is an intruder from eastern europe that over the past century has displaced indigenous grasses and degraded pastures in north america
斑点矢车菊这种来自东欧的侵略者，在过去一个世纪中已取代北美洲的原生野草，并危害到牧草的生长。
|