alluvial fan

基本解釋

• [地理] 沖積扇；扇形地；扇狀地

同根派生

• alluvial fan相關詞

英漢例句

雙語例句

• At first light, I started my trek up an alluvial fan into an unnamed canyon in the Cottonwood Mountains.
  天剛亮，我就從一片沖積扇區(qū)（峽谷山口的扇形沉積物）處開始了旅程，進入了卡頓伍德山脈中的一個無名峽谷。
• The portion of the crater where Curiosity will land has an alluvial fan likely formed by water-carried sediments.
  好奇號所要降落的隕坑處有一塊很可能是由水流沉積物所形成的沖積扇。
• Lake Morari on the Tibetan Plateau is fed by a glacial river that has formed a dramatic apron of sediment, known as an alluvial fan, over the years.
  西藏高原（TibetanPlateau）上的莫拉里湖（LakeMorari）是由一條冰川河流沖積形成的，長年以來，這條冰川河流在入口處戲劇性地形成了一個圍裙形狀的沉積泥沙區(qū)，被稱為沖積扇形地。
  uusapp.blog.163.com

權威例句

• There was an alluvial fan at the base of the mountain, for instance, that had some of the same sediments as Eberswalde.
  NEWYORKER: The Martian Chroniclers

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詞組短語

短語

• alluvial fan -fan delta-turbidite fan bodies 沖積扇一扇三角洲一濁積扇砂體
• alluvial -proluvial fan 沖洪積扇
• piedmont alluvial -pluvial fan 山前沖洪積扇

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英英字典

柯林斯英英字典

• a fan-shaped accumulation of silt, sand, gravel, and boulders deposited by fast-flowing mountain rivers when they reach flatter land

• alluvial fan劍橋字典
• alluvial fan柯林斯字典

專業(yè)釋義

地球科學

• 沖積扇
• 沖擊扇

測繪科學技術

• 沖積扇