High-flying drones, like those employed by the police for surveillance, will normally be out of range of such activity.

高空飞行的无人机，比如那些被警方用于监视的无人机，通常会超出这种活动的范围。

They're out of range. - Range is good.

射程不够远 - 射程没问题。

Joan hoped that the others were out of range of her mother’s voice.

【range】琼希望其他人听不到她母亲的话。

If you're out of range, or your phone is off, the message is stored by the mobile switching center for a short time until you can be located by the network.

当你不在基地台服务范围内或手机关机，讯息就会先暂存在行动交换中心，直到手机又可以让网络侦测到讯号。

Perhaps she would reveal it to others by a gesture of hand, a raised eyebrow, a frown—my sister knew the storm warnings, and she would always be out of range whenever my mother's temper flared—but it always caught me unawares.

别人可能只要看她的手势、蹙眉或是眉毛挑起，就能了然于心；像我妹妹就很会辨认风暴警讯，每次母亲脾气要发作前，她就会先离开暴风圈，我却总是不自觉地被卷进去。