reef

英 [riːf]

美 [riːf]

n.  礁; 礁脉; 缩帆部; 帆的可收缩部
v.  收帆; 卷起缩帆部; 叠起缩帆部

复数：reefs　现在分词：reefing　过去分词：reefed　过去式：reefed　第三人称单数：reefs　

CET6TOEFLTEM8

Collins.1 / BNC.6734 / COCA.6352

牛津词典

noun

• 礁；礁脉
  a long line of rocks or sand near the surface of the sea
  1. a coral reef
     珊瑚礁
• 缩帆部；帆的可收缩部
  a part of a sail that can be tied or rolled up to make the sail smaller in a strong wind

verb

• 收帆；卷起缩帆部；叠起缩帆部
  to make a sail smaller by tying or rolling up part of it

柯林斯词典

• N-COUNT 礁;礁脉
  Areefis a long line of rocks or sand, the top of which is just above or just below the surface of the sea.
  1. An unspoilt coral reef encloses the bay.
     未受破坏的珊瑚礁环绕在海湾周围。

英英释义

noun

• one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind
• a submerged ridge of rock or coral near the surface of the water

verb

• reduce (a sail) by taking in a reef
• roll up (a portion of a sail) in order to reduce its area
• lower and bring partially inboard
  1. reef the sailboat's mast

双语例句

• Poor water quality in Great Barrier Reef suffered a loss in coral biodiversity and an increase in seaweed cover.
  澳洲大堡礁低劣水质降低了珊瑚多样性，增加了海藻数量。
• Sea turtles and brightly colored reef fish immediately became visible.
  海龟，和色彩鲜艳的礁石鱼马上就可以看得见。
• The sea on the reef vowed to love, I also look on the reef.
  大海对礁石矢志不渝的爱，令我对礁石也刮目相看。
• Other famous Natural Heritage Sites are the Great Barrier Reef and the Grand Canyon.
  其他著名的自然遗产是大堡礁和大峡谷。
• The scuba diver submerged and swarm toward a coral reef.
  戴着呼吸器的潜水员潜入水底，朝珊瑚礁游了过去。
• Found in various reef habitats in shallow coastal lagoons to moderate depths on outer reefs;
  发现于在外海岩礁上的岸边水浅的潟湖到中等深度的各种不同的礁石栖地了；
• An atoll is a circular reef surrounding a lagoon.
  环礁是环绕着一个泻湖的环形礁石。
• Coral island, coral reef, and atoll
  珊瑚岛、珊瑚礁和环礁
• Dived with great whitesoff the barrier reef.
  和大人物一起跳下堤礁。
• A necklace sea star rests on a reef in the Solomon Islands.
  在自然界模式。一只项链海星休息在一个暗礁在所罗门群岛。