Peripheral interchange program
[计] 外围交换程序
🧩 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
interchange
[ˌintə'tʃeindʒ,'intətʃeindʒ]
vt. 互换，交换;交替（位置等）;使更叠发生;交替发生;
vi. 交换;相互交换;
n. 交换，交替;互通式立体交叉，道路立体枢纽;
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
If he doesn't play, who will?
如果他不，谁要去玩？
In the centre of the hall, there were a number of tall structures which contained coloured lights.
展厅中央是装有彩色灯泡的许多高高的构件，