常見例句雙語例句These tree belts effectively protect the farmland against shifting sand.這些防護林帶有效地保護了農(nóng)田,使之免受流沙侵襲。grasp air — as a last resort, hurdle the last few feet of the ditch onto shifting sand — catch my balance — made it!就這樣保持著過了前面幾英尺的小溝,最后順利到了流沙上,哈,我做到了,我保持住了平衡。I reach out my hands; grasp air — as a last resort, hurdle the last few feet of the ditch onto shifting sand — catch my balance — made it!我想抓空氣是我當時唯一的辦法了吧。 就這樣保持著過了前面幾英尺的小溝,最后順利到了流沙上,哈,我做到了,我保持住了平衡。權威例句Houses built on shifting sand, very badly.FORBES: Hurricane Sandy Shows Nuclear Is SafeStony ridges gave way to tumbled boulders, slopes of sifted gravel, and then sand, blown into shifting dunes.NEWYORKER: The Martian ChroniclersMovement in the Alvord is so slight as to be almost imperceptible--sand dunes on its eastern side are shifting.FORBES: A Desert Where? 返回 shifting sand