| 单词 | atoll |
| 释义 | atoll (once / 2960 pages) n An atoll is an island formed by a ring-shaped coral reef encircling a lagoon. The word comes from the language of the Maldives, an island chain in the Indian Ocean famous for gorgeous beaches and coral reefs. The word atoll appeared in English in the early 17th century, when the British and the Dutch were vying for control of Indian Ocean trade. You may have heard of Bikini Atoll, in the South Pacific — where the U.S. did extensive nuclear testing in the 1940s and 1950s. Its people were moved to neighboring atolls but haven’t been able to return because of lingering radiation. Even so, Bikini Atoll has become a destination for divers interested in WWII shipwrecks. WORD FAMILYatoll: atolls USAGE EXAMPLESTwo flights a week from Nadi, Fiji, constitute the primary link between Kiribati’s capital and most-populated atoll, South Tarawa, and the distant outside world. The Guardian(Dec 20, 2016) Biologists spotted the Laysan albatross called Wisdom at Midway Atoll National Wildlife Refuge this month after she returned to the North Pacific island to nest. Washington Post(Dec 14, 2016) Biologist Chandler Robbins, now 98, first placed an aluminum band around her ankle at the Pacific Ocean atoll in 1956, refuge officials said. Reuters(Dec 13, 2016) n an island consisting of a circular coral reef surrounding a lagoon Exp|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 coral reef a reef consisting of coral consolidated into limestone |
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