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

• The case study area comprises Douglas Shire in Northern Queensland and the Cairns section of the Great Barrier Reef.
  本文的研究区域是北昆士兰包括道格拉斯郡和大堡礁。
• Coral island, coral reef, and atoll
  珊瑚岛、珊瑚礁和环礁
• 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；
• Oman: Muscat beaches-all beaches in the area are incredible, and the coastline offers many of the best coral reefs west of the Great Barrier Reef.
  阿曼：马斯喀特海滩-在该地区的所有海滩都令人难以置信，和海岸线提供了一个最好的珊瑚礁大堡礁西方很多。
• 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。
• The ship was wrecked on a hidden reef.
  船触暗礁沉没。
• An atoll is a circular reef surrounding a lagoon.
  环礁是环绕着一个泻湖的环形礁石。
• Their vitality is so strong that they can even grow on a coral reef.
  它们的生命力很强，甚至能在珊瑚礁上生长。
• A coral reef is built by the accretion of tiny, identical organisms.
  珊瑚礁是由许多相同的微生物不断堆积而成。
• Soft corals do not form reefs, but may be present in a coral reef ecosystem.
  软的珊瑚不能形成礁。但是在珊瑚生态系统也是有可能存在的。