指示灯[zhǐ shì dēng]
indicator light；pilot lamp
指示灯插座 pilot
bracket;
指示灯检查电路 lamp
check circuit;
例句：
其中一种“多帐号”智能信用卡在其表面上有两个按钮，每个按钮拥有一个指示灯，你一按就能够将帐号数据记录到它的磁条上。
The "MultiAccount" card has two buttons on its face, each with an indicator light that can be pressed to record data to its magnetic strip.
它只有单个的发光按键来作为通断开关，而且只有一个指示灯含糊不清地闪烁着不同颜色。
It has only a single, illuminated button that serves as the on-off switch and an indicator light that blinks cryptically in different colors.
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