Charge retention
[电] 电荷保留
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
🗣️ 情景例句
taking a vacation together--with the family.
要一起渡个假， 全家一起。
It's hard to say.
难说。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。