You sold wrapping paper for paint, T shirts for new furniture, and magazine subs criptions4 for shade trees in the school playground.
你们为重新粉刷学校兜售包装纸，为购置新家具兜售体恤衫，为在学校操场上种植遮阳树劝人订阅各种杂志。
Kids are yelling in the playground outside. A paper airplane whizzes overhead.
一群小孩子们在外面的操场上嬉闹着，一架纸飞机从头顶呼啸而过。
This paper, based on those factors, discussed the combination of training method, shoe design, costume design and playground design and those factors, targeting improving racing speed.
通过对影响短跑成绩提高的这些力学因素，对如何通过训练手段、鞋、服装以及运动场地的设计来克服这些力学因素，以求达到提高速度的目的。
Students pick up waste paper on the playground.
学生们拣起操场上的废纸。
The technology of prestressed no beam slab with no expansion joint was applied in LongYan children's playground. This paper analysized and summarized the measures of crack controlling in this roof.
龙岩儿童乐园超长顶板采用预应力无梁平板，不设伸缩缝，本文对该顶板的抗裂控制的措施和经验进行了分析和总结。
The technology of prestressed no beam slab with no expansion joint was applied in LongYan children's playground. This paper analysized and summarized the measures of crack controlling in this roof.
龙岩儿童乐园超长顶板采用预应力无梁平板，不设伸缩缝，本文对该顶板的抗裂控制的措施和经验进行了分析和总结。
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