| 词汇 | moraine |
| 释义 | moraine noun[ C ] geography specializeduk /mɒrˈeɪn/ us /məˈreɪn/ a large mass of rocks and dirt that is carried along with a glacier (= large mass of ice) and is left behind when the glacier melts冰碛 Michele D'Amico supersky77/Moment/GettyImages Precipitation: snow & ice anti-icing avalanche be snowed inidiom be snowed upidiom boilerplate drifting glacier hailstorm iceberg icy permafrost precipitation sleet slushy snow devil snow line snowdrift snowfall snowflake generation snowpack moraine | American Dictionarymoraine noun[ C ] us/məˈreɪn/ earth science a large mass of rocks and dirt that is carried along with a glacier (= large mass of ice) and is left behind when the glacier melts Examples of morainemoraine Although widespread around the island, all are well-drained sites: rocky land behind a beach, rocky bluffs, old buildings, and moraines. Rivers from the moraine belts flow from the glaciers and have created complex outwash plains (sandur) combining detritic cones in different stages of development. It left striated outcrops and extensive moraines on the eastern half of the island. The moraines are ice-cored with highly mobile large clasts. For example, in geology one uses words like ' crater ' and ' moraine ' which (in contrast to ' pit ' and ' hill ', respectively) presuppose particular causal origins. He realised the effects of isostasy and accurately described the formation of medial and terminal moraines. An upper and lower moraine are apparent, with the upper moraine, closer to the edge of plateau, containing a diversity of angular boulders. Collections were made from the crest of the outermost (oldest colonised) moraine. Collections were made on the western lateral moraines. The bay is fringed by cliffs rising about 30 m above the sea and consisting for the most part of moraine left behind by receding glaciers of the last glaciation. Moraines containing gravel, sand and clay were draped upon the landscape and silt was left on the extinct lake bottoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In alpine glaciers, ground moraines are often found between the two lateral moraines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ridge is overlain by deposited glacial materials in the form of terminal moraines and other detritus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sand washed ashore by wave action was then blown upslope by northerly prevailing winds until it came to rest atop a glacial moraine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The name derives from a well-developed tongue-shaped moraine in an abandoned cirque between the west and north ridges of the peak. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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