Relentless winds have scored fine lines into the top of a dune and swept sand into a mangrove forest, smothering trees that are now reduced to denuded trunks.
无情的大风在沙丘顶部刻下一道道细线，把沙子刮进红树林，闷死了树木，如今只留下一根根光秃秃的树干。
2
The lines of wind-sculpted sand are characteristic of immense sand deserts, or sand seas, and the Rub' al Khali is the largest desert of this type in the world.
在一些广袤的沙漠或沙海里常常有这种被风雕刻的痕迹，而鲁卜哈利沙漠是这类沙漠中面积最大的。
3
The tone in the two days of meetings is said to have been more constructive and less extreme than the public rhetoric, with neither side drawing lines in the sand.