单词：atacama_trench 

名词

• 
  [1.n.atacama_trench] (同义词:[Atacama_Trench]  )
• 
  注释列句：a depression in the floor of the Pacific Ocean off the coast of Chile
• 实 例 -> [trench( n. 沟渠, 堑壕, 管沟, 电缆沟, 战壕 v. 掘沟, 挖战壕 )]