The bars below the time slices represent the sliding window.
2
在一间只够站着的房间里，人们正在期待解决幻灯片上滑动的问题：赤脚跑步是增加还是减少了骨骼伤害风险？
"a standing-room-only crowd waited expectantly as a slide flashed up posing this question: Does barefoot running increase or decrease skeletal injury risk?"
3
后座椅滑动符合所在地块，可以幻灯片向上和向下调整的高度。
Seat post fits into sliding seat block and can slide up and down to adjust for height.
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