Keeper current
[计] 保持电流
🧩 词语组成解析
keeper
['ki:pə]
n. 保管人;饲养员;负责人;监护人;
🗣️ 情景例句
They quarreled with each other but soon made up.
他们吵了一架，但很快就言归于好。
It's hopeless!
这下没指望了！
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。