... chore n. 家庭杂务；日常的零星事务；讨厌的或累人的工作 tray n. 托盘；文件盒；隔底匣；（无线电的）发射箱 notably adv. 显著地；尤其 ...
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把斜坡抬高或放低，看倾斜角度如何影响文件盒上的平行作用力。
Lower and raise the ramp to see how the Angle of inclination affects the parallel forces acting on the file cabinet.
“文件盒”体量内部粉刷成白色，并用灰色的隔墙隔开门廊、生活单元和阳台。
Interior of "TRAY" is finished in white, partitioned by grey wall to segment porch, dwelling unit, and balcony.
如需借阅蓝色文件盒内的资料，请将整个文件盒交予服务台工作人员办理手续。
Please bring the blue folder to the service desk if you want to borrow the books in the folder.
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