Keeper voltage
[计] 保持电压
🧩 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
I can't drop the price any further, the owner doesn't allow it.
我不能再进一步砍价了，卖主不肯让步。
Children enter primary school at the age of 7.
孩子们7岁进小学。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。