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单词 blue oak
释义

Definition of blue oak in English:

blue oak

noun
  • The oak Quercus douglasii, which has blue-green leaves and is endemic to California.

Origin

Early 19th century; earliest use found in Samuel R. Brown (1775–1817).

 
 

Definition of blue oak in US English:

blue oak

noun
  • The oak Quercus douglasii, which has blue-green leaves and is endemic to California.

Origin

Early 19th century; earliest use found in Samuel R. Brown (1775–1817).

 
 
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更新时间:2024/12/23 22:50:41