These ingestible sensors have been used for a few years, with no report of adverse events.

这些可摄入传感器已被用于几年，随着不良事件的报告。

Ingestible sensors and those used in invasive procedures require substantial biological testing.

摄取传感器以及那些侵入性操作使用需要大量的生物检测。

If you suspect you have a copper deficiency, it's best to see a doctor before using ingestible copper supplements. But wearing copper is generally seen as harmless.

如果你觉得自己缺铜，在使用可吸收铜作为辅助之前，最好是去看医生。不过一般认为，佩戴铜饰无害健康。

Ingestible sensor chips are an idea a little easier for most people to swallow.

FORBES: Ingestible, Implantable, or Intimate contact; How Will You Take Your Micro-scale Body Sensors

The difference is that plastics with their accumulated contaminant load are directly ingestible by organisms.

UNESCO: All Events | United Nations Educational, Scientific and Cultural Organization

This first step toward regulated ingestible sensors will undoubtedly be followed by others.

FORBES: No More Skipping Your Medicine -- FDA Approves First Digital Pill