您要查找的是不是：
- European perennial toxic vetch. 欧洲的多年生有毒、野豌豆。
- European perennial grass with soft velvety foliage. 欧洲多年生草，有柔软被绒毛的叶子。
- European perennial whose serrate leaves yield a yellow dye. 欧洲终年植物，其锯齿状叶子可制黄色染料。
- European perennial having usually violet or white spring flowers. 欧洲的多年生植物，春季常开紫罗兰色或白色的花。
- European perennial St John's wort; Ireland and France to western Siberia. 欧洲的一种多年生金丝桃；产自爱尔兰和法国到叙利亚西部。
- European perennial plant naturalized in United States having triangular ovate leaves and lilac-pink flowers. 欧洲多年生的植物，移入美国，有三角形的卵形的叶子和丁香粉色的花。
- European perennial grass widely cultivated for pasture and hay and as a lawn grass. 欧洲多年生草，广泛栽培用作牧草、干草和草坪草。
- European perennial with mottled purple-pink flowers; sometimes cultivated for fodder or as green manure. 有粉紫杂色花的欧洲多年生植物；有时作为饲料或绿肥作物种植。
- European perennial with mottled purple-pink flowers,sometimes cultivated for fodder or as green manure. 有粉紫杂色花的欧洲多年生植物,有时作为饲料或绿肥作物种植。
- European perennial naturalized throughout United States having hollow stems with a few long narrow tapered leaves and each bearing a solitary pale yellow flower. 欧洲的一种多年生植物，已被移入美国，花茎中空，叶子狭长且尖，有淡黄色单生的花。
- A European perennial herb(Alkanna tinctoria) having cymes of blue flowers and red roots. 紫朱草产于欧洲的一种多年生草本植物（紫朱草），有蓝色聚伞花序和红色根部
- tall European perennial having purple flower heads. 一种高大的多年生植物，有紫色的头状花序。
- The factory had been sending out toxic fumes. 这家工厂一直在排放有毒的废气。
- European vetch much cultivated as forage and cover crops. 欧洲的一种野豌豆，通常被用来制草料和覆盖作物。
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- European perennial having usually violet or white spring flowers 欧洲的多年生植物，春季常开紫罗兰色或白色的花
- A toxic chemical or other substance. 有毒的化学品或其它物质
- European perennial whose serrate leaves yield a yellow dye 欧洲终年植物，其锯齿状叶子可制黄色染料
- The degree to which a substance is toxic. 毒效一种物质毒性所达到的程度
- There are many clans in European countries. 欧洲国家有很多党派。
