As she pulls the shoes out, the box with the sandwiches in it breaks open and the ham, the cheese, and the bread slices fall into the sand.
当她把鞋子拿出来的时候，装着三明治的盒子打开了，火腿、奶酪和面包片都掉在了沙子里。
For example, you can add sand to prevent tiny breaks or lines from forming in the finished product.
比如，你可以加入沙子来避免在最终的成品中有细小的破裂或隙缝。
It is difficult to determine the effects of straw-break surface on the structure of drifting sand current and the wind speed profile in the sand-moving region due to the complexity of straw-breaks.
由于草方格构成的下垫面复杂多变，其对风沙流结构与风沙活动层风速廓线的影响很难确定。
It is difficult to determine the effects of straw-break surface on the structure of drifting sand current and the wind speed profile in the sand-moving region due to the complexity of straw-breaks.
由于草方格构成的下垫面复杂多变，其对风沙流结构与风沙活动层风速廓线的影响很难确定。
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