| 释义 |
poison sumac noun[ C or U ] uk /ˌpɔɪ.zən ˈsuː.mæk/ us /ˌpɔɪ.zən ˈsuː.mæk/ a poisonous bush or tree that grows in wet areas of North America. It can cause people's skin to itch and turn red: Poison sumac is more common in swampy areas. Poison ivy, poison oak, and poison sumac can cause itchy bumps and blisters. Poison sumac is a tall shrub that grows in swampy regions. Poison oak and poison sumac contain an irritating, oily sap. This kind of dermatitis results from a delayed reaction to an allergen such as poison ivy or poison sumac. SMART Vocabulary: related words and phrases Bushes & shrubs abelia abutilon angel's trumpet aronia artemisia dewberry dogwood eglantine ephedra firethorn manuka manzanita mayflower Mexican orange mock orange snowberry spicebush staghorn sumac sumac sweetbriar |