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
You don't know up from down.
你黑白不分。
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”