Gravity battery
[电] 重力电池组
🧩 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
🗣️ 情景例句
Keep quiet about it if you know what's good for you.
什么也别说，免得你自个儿添不自在。
Change is in the air.
人们感觉即将发生变革。
but the means of escape from holiday hell(if the beach proves too crowded, the local weather too inclement)
而且也是逃离假日地狱（如海滩太挤，当地天气恶劣）的方便工具，