你的卧室最不需要的东西就是磨损的电线或者手机充电器。
The last thing you need in your bedroom is fraying cables or phone chargers.
他们已经开发出世界上首个通过无线电驱动的，不需要输电线的心泵。
Between them they have developed the world's first wireless-powered, driveline-free heart pump.
这个创意是，跨越房间给电子设备的电池充电，是的，不需要电线。
The idea? Charge the battery of an electronic device from across the room—no wires necessary.
你的卧室最不需要的东西就是磨损的电线或者手机充电器。
The last thing you need in your bedroom is fraying 4 cables or phone chargers.
你的卧室最不需要的东西就是磨损的电线或者手机充电器。
The last thing you need in your bedroom is fraying 4 cables or phone chargers.
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