three-cornered jack

名词 n.
中文释义

英文释义

名词 n.
  1. A weed of species Emex australis. Australia
    — 1901, South Australian Department of Agriculture, South Australian Department of Industry, Journal of Agriculture and Industry of South Australia, Volume 4, page 385, The “Three-cornered jack/Devils thorn” (Emex australis) is believed to be poisonous to them, as many dead locusts are found near to each plant.
  2. A seed vessel of this plant, which has three symmetrically arranged thorns and a pointed head.

词形变化

three-cornered jacks plural
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