Flux keeper
[计] 保通片
🧩 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 have been learning English for three years now.
我学英语有3年了。
Old wood is best to burn,old book to read.
老柴好烧，老书宜读。
They were still neck and neck! But the other runners were not far behind.
他们仍在肩并肩地跑！但是，其他运动员也距离他们不远。