病毒

In a sentence

• 这个计算机系统感染了病毒。

  This computer system is infected with a virus.

  Here, '病毒' refers to a computer virus, in a metaphorical sense, showing the versatility of the term.

• 人类正在为对抗这种病毒寻找疫苗。

  Humanity is seeking a vaccine to combat this virus.

  In this context, '病毒' signifies a biological virus, as commonly discussed in health and medicine.

• 有些网络病毒会传播虚假信息。

  Some internet viruses spread false information.

  Here, '病毒' is used metaphorically again to indicate harmful digital elements, analogous to misinformation spreading like a virus.