| 单词 | reef |
| 释义 | reef (once / 874 pages) 1n 2nv A reef is a raised area on the ocean floor that's made of rock, coral, or sand. If you are a scuba diver, head to a coral reef to check out the diverse marine life. A barrier reef is one that surrounds an island and creates a lagoon between the reef and the beach. When this type of reef attracts diverse ocean life, it can be popular with snorkelers and scuba divers. When you're sailing, a reef is a section of the sail that you can roll up when necessary — and to reef is to roll up a reef. Both meanings share an Old Norse root, rif, "ridge under the water." WORD FAMILYreef: reefed, reefing, reefs, reefy USAGE EXAMPLESA minute into a monitoring round on recent morning, the shadowy shapes of six turtles jetted across a reef. New York Times(Jan 02, 2017) The larvae of fish that live in coral reefs are tiny, and they are not very good swimmers. New York Times(Dec 28, 2016) FREEPORT: Sand trout and sheepshead are fair on live shrimp on the reefs. Washington Times(Dec 28, 2016) 1 n a submerged ridge of rock or coral near the surface of the water 2Exp|Hypo|Hyper Bikini an atoll in the Marshall Islands; formerly used by the United States as a site for testing nuclear weapons Eniwetokan atoll in the Marshall Islands; site of an amphibious assault in World War II; later used temporarily by the United States to test atomic bombs Kwajaleinan atoll in the western Marshall Islands that was used as a Japanese air and naval base during World War II Midway Islandsan atoll in the Hawaiian Islands some 1300 miles to the northwest of Honolulu; site of an important United States naval base Great Barrier Reefthe largest coral reef in the world; in the Coral Sea off the northeastern coast of Australia coral reef a reef consisting of coral consolidated into limestone atollan island consisting of a circular coral reef surrounding a lagoon barrier reefa long coral reef near and parallel to the shore Florida key, cay, keya coral reef off the southern coast of Florida ridge a long narrow natural elevation or striation 1n 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 Hyper slip, strip artifact consisting of a narrow flat piece of material 2v roll up (a portion of a sail) in order to reduce its area Hyper furl, roll up form into a cylinder by rolling 3v reduce (a sail) by taking in a reef Hyper reduce, shrink reduce in size; reduce physically 4v lower and bring partially inboard reef the sailboat's mast Hyper bring down, get down, let down, lower, take down move something or somebody to a lower position Reef (once / 8041 pages) n WORD FAMILY Reef: Reefs USAGE EXAMPLESThey collected specimens near One Tree Island in the Great Barrier Reef, off the northeast coast of Australia. New York Times(Dec 28, 2016) The Bramble Cay melomys were long-tailed, whiskered creatures who lived on an island in the Great Barrier Reef; today none exist. New York Times(Dec 22, 2016) With WhatsApp, Ms. Reef said, she gets to see a stream of baby pictures. New York Times(Dec 21, 2016) n a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese Syn|Exp Rand, Witwatersrand part, region the extended spatial location of something |
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