tansy

1. North American herb with bitter-tasting pinnate leaves resembling those of tansy.
   北美的一种草本植物，类似水芹，但叶像艾菊叶。
2. A: That works, but planting things like spearmint, southernwood, and tansy could both beautify your yard and deter your invaders.
   安：那是有用的，不过种一些植物，像绿薄荷、青蒿和艾菊，不但美化你的院子，更可以抵挡你的入侵者。
3. Ashurst waited his turn, rubbing his knee and gazing at the wild meadow. North American herb with bitter-tasting pinnate leaves resembling those of tansy.
   艾舍斯特等待着，搓着膝盖，注视着那片野草地。北美的一种草本植物，类似水芹，但叶象艾菊叶。
4. Parthenolide ( PTL) is a sesquiterpene dilute lactones, extracted from Chinese herbs tansy early years in some Western countries, has been purified and used for the anti-inflammatory analgesic.
   小白菊内酯（panhenolide，PTL）是从中草药艾菊中提取的，属于倍半萜稀内酯类化合物，在一些西方国家，早年间已被提纯并用于消炎镇痛之用。

noun

1. common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinally

   Synonym:    golden buttonsscented fernTanacetum vulgare