母板

例句：

1. 1. The motherboard is the central component of a computer.
   主板是计算机的核心组件。
2. 2. The engineers were working on the motherboard when the power went out.
   工程师们在维修主板时突然停电了。
3. 3.The motherboard is responsible for handling all the data and instructions coming in from the CPU.
   主板负责处理来自CPU的所有数据和指令。