barchan

新月形沙丘, 弧形沙洲

发音

UK /ˈbɑːk(ə)n/
其它
UK /bɑːˈkɑːn/
其它
US /ˈbɑɹˌkɑn/
US /bɑɹˈkɑn/

词形变化

barchans 复数 barchans

别名

barchane barkan barkhan

释义与例句

n.
  1. 1.

    An arc-shaped shifting sand dune comprising well-sorted (uniformly sized) sand.

    新月形沙丘

    定语 地质

词源

Unadapted borrowing from Russian барха́н (barxán), from a Turkic language such as Kazakh барқан (barqan); further etymology unknown. The Russian word was first used in scientific literature in 1881 by the Russian zoologist and explorer Alexander von Middendorf (1815–1894).

来源：wiktionary