詞語:knapweed
knapweed的解釋
knapweed['næpwi:d]n. [植]黑矢車菊
knapweed的意思
knapweed 矢車菊;黑矢車菊;黑矢車菊屬;centaury knapweed 矢車菊;矢車菊屬;Greater Knapweed 市郊矢車菊;大矢車菊;Diffuse Knapweed 白矢車菊;
knapweed的參考例句
1.I prefer the daisy and the knapweed in particular. 我特別喜歡雛菊和矢車菊。
2.Investigators have found that the knapweed's roots exude a toxin that builds up in the soil. 研究者發現,這種矢車菊根部分泌的一種毒素會滲進土壤裡,使得其他植物的細胞大量死亡,並抑制萌芽與生長。
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. 斑點矢車菊這種來自東歐的侵略者,在過去一個世紀中已取代北美洲的原生野草,並危害到牧草的生長。