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单词 river weed
释义

Definition of river weed in English:

river weed

noun ˈrɪvə ˌwiːd
  • 1An alga or flowering plant that grows in rivers.

  • 2North American. Any plant of the genus Podostemum or (more widely) the family Podostemaceae; especially the threadfoot, P. ceratophyllum.

Origin

Mid 17th century; earliest use found in Thomas Johnson (d. 1644), apothecary and soldier. From river + weed.

Definition of river weed in US English:

river weed

nounˈrɪvə ˌwiːd
  • 1An alga or flowering plant that grows in rivers.

  • 2North American. Any plant of the genus Podostemum or (more widely) the family Podostemaceae; especially the threadfoot, P. ceratophyllum.

Origin

Mid 17th century; earliest use found in Thomas Johnson (d. 1644), apothecary and soldier. From river + weed.

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更新时间:2025/1/31 2:08:59