| 单词 | poison oak |
| 释义 | poison oak (once / 112565 pages) n WORD FAMILY poison oak: poison oaks USAGE EXAMPLESThey paid little attention to the dangerous poison oak they walked over to get to assignments. Washington Post(Nov 19, 2016) The prevalence of poison oak in the region was proving a problem. Washington Times(Aug 22, 2016) The old saying "Leaves of three, let it be" is a helpful reminder for poison ivy and poison oak. US News(Aug 11, 2016) 1n climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact Syn|Hyper Rhus radicans, Toxicodendron radicans, markweed, poison ivy, poison mercury poisonous plant a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism 2n dermatitis resulting from contact with a poison oak plant Hyper Rhus dermatitis contact dermatitis resulting from contact with plants of the genus Toxicodendron |
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