Battery-backed
[计] 带蓄电池后备电源的
🧩 词语组成解析
battery
['bætri]
n. [电]电池，蓄电池;[军]炮台，炮位;一组;[法]殴打;
bat =beat,表示”打,击”#词根助记：bat打击,battery曾经主要表示用来打击目标的大炮
a. 有背的；有财力支持的
🗣️ 情景例句
Thank you, everyone. See you next week.
谢谢大家。下星期见。
Slowly, mountains are worn away by the wind.
山体逐渐被风化了。
It's a pencil-box.
一只铅笔盒