Move children's swing sets and sand boxes away from the woodland edge and place them on a wood chip or mulch type foundation.
将孩子的秋千和沙箱从林地边缘移到木屑或护根类覆盖物的地面上。
2
The research, funded by the Robert Wood Johnson Foundation, was presented today at the annual meeting of the School Nutrition Association in Washington, DC.
今天在华盛顿特区举行的学校营养联合会年会上，科学家介绍了这项由 Rober Wood Johnson 基金会资助的研究。
3
Based on design and construction of timber residence in Songyuan villas, the foundation, wall, floor and roof construction of wood plate-frame house are introduced in detail.