Peripheral operation
[计] 外围操作
🧩 词语组成解析
peripheral
[pə'rɪfərəl]
adj. 外围的;次要的;（神经）末梢区域的;
n. 外部设备;
peri 外层 + pher 带来 + al 属于...的 → adj.外围的;n.外围设备
🗣️ 情景例句
I'm a photographer.
我是摄影师。
Has everybody got a sheet?
每个人都拿到材料了吗？
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，