dunes是什么意思,dunes怎么读,
sand dunen. [地]沙丘
1.Second, as you know, sand dunes contain other types of particles, besides sand, including clay and silt.
第二,正如你所知,除了沙粒,沙丘还含有其他类型的颗粒,包括粘土和淤泥。
4.Now, when the rain fell, water ran down the sides of the dunes, carrying clay and silt particles with it.
如今降雨的时候,雨水会带着黏土和泥沙颗粒从沙丘两边往下流。
5.The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.
海平面可能会升高,或者陆地可能会下降;不论发生哪种情况,沙丘都将很快消失。
7.Ahul held on tightly to the giraffe as it raced across sand dunes and past trees.
长颈鹿跑过沙丘、穿越树林时,阿哈紧紧抓着长颈鹿。