barchan
基本解釋
- 新月形沙丘,弧形沙洲
英漢例句
- Another kind of dunes are barchan dunes.
還有一種類型叫做弧形沙丘。 - Parabolic dunes are the opposite of barchan dunes.
新月型沙丘則跟弧形沙丘相反。 - Barchan dunes are produced by strong winds blowing across a level surface and are crescent shaped.
強(qiáng)風(fēng)吹過表麪形成弧形沙丘而就是新月形。 - A large barchan (crescent-shaped) dune, in a region where some dunes have been observed shrinking over several years.
大型新月形（月牙形）沙丘在一個地區(qū)，那裡的一些沙丘已經(jīng)觀察幾年縮小。 - The scattered single barchan dunes on the non sand bed possess movability and form unstability except the high large crescent sand mountain.
非沙質(zhì)牀麪零星分佈的單個新月形沙丘具有明顯的移動性和形態(tài)的不穩(wěn)定性（高大新月形沙山除外）。