一起被绑架的还有一个多哥人和一个马达加斯加人，他们是9月16日在铀都阿尔利特的自己家的别墅里睡觉时被绑架的。

The French hostages, as well as a Togolese and a Madagascar national were kidnapped on Sept. 16 while they were sleeping in their villas in the uranium mining town of Arlit.

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这里有一个神奇的项目使用阿尔·杜伊诺，马达和一个压电传感器既可以记录和检测模式，以敲车门的锁打开。

Here's a fantastic project using an arduino, a motor, and a piezo sensor which allows you to both record and detect knocking patterns to unlock a door.

youdao