When I finally came out and sat down, Carson took out a huge hourglass and put it down next to me so that the whole world could see the sand running down.
等我终于出场坐定之后，卡森取出一个巨大的沙漏，放在我的旁边，所有的人都看得见沙子下漏的情况。
Unless you're running up and down sand dunes immersing the entire shoe and ankle in sand, the gaiters will do their job at keeping the shoes sand-free.
只要你不是在沙丘上来回跑并将整只鞋和脚踝踩入沙中，鞋罩就能有效地防止沙子进入鞋内。
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