noun 下载 🔗分享 主板,母板。 The primary circuit board of a personal computer, containing the circuitry for the central processing unit, keyboard, mouse and monitor, together with slots for other devices. Examples : "My computer's motherboard is broken, so I can't use it to do my homework. " 我的电脑主板坏了,所以我没法用它来做作业了。 electronics computing device machine technology part system technical 与AI对话词汇游戏阅读练习