接管移植的患者将会佩戴一副眼睛，一架微型摄影机将附在其镜片上。
Patients who receive the implant will wear a pair of glasses that has a tiny camera attached to it.
我们使用了一个微型摄影机，来观察每天有多少人使用图书馆，而且他们在都做什么。
We used an undercover camera to see how many people used the library and what were they doing.
我们使用了一个微型摄影机，来观察每天有多少人使用图书馆，而且他们在都做什么。
We used an undercover camera to see how many people used the library and what were they doing.
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