不幸的是，当一张标准床垫用旧后，其弹簧变软，因而不能支撑你的背脊。
Unfortunately, as a standard mattress wears, the springs soften and so do not support your spine.
画像底部，半掩在书桌后，支撑着一幅更大的画像。
A larger picture is propped up beneath them, half-hidden by a desk.
一段时间后，他们逐渐把支撑物拿开，让柳树来承担负重。
As time passes, they slowly remove the support structure and allow the trees to bear the load.
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