atoll [ˈætɔ:l]

例句:

• France has carried out an underground nuclear explosion on Mururoa Atoll in the South Pacific.
  法国已经在南太平洋的穆鲁罗瓦环礁进行了地下核爆。
  
• An atoll is a circular reef surrounding a lagoon .
  环礁是环绕着一个泻湖的环形礁石。
  
• An atoll is a circular reef surrounding a lagoon.
  环礁是环绕着一个泻湖的环形礁石.
  
• The plan involves tourists, rare turtles and a remote atoll.
  来自VOA
• The organisation is also trying to set up a permanent research station in the atoll, to compile year-round data on the animals.
  来自BBC
• It is a triptych, three panels of a coral reef, a coral lagoon island, which is called an atoll.
  来自SA