床上钢琴可以让音乐爱好者躺在床上弹钢琴。
The bed piano allows a music lover to play the piano while he is lying in bed.
一旦梦游者躺回床上，你也该睡觉了！
Once the sleepwalker is tucked back in bed, it's time for you to get some sleep, too!
他们随后要求被研究者躺在床上醒着模仿这些动作。
They were then asked to simulate the task while lying - awake - in bed.
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