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
God helps those who help themselves.
天助自助者。
I had a glass of water.
我喝了一杯水。
Oh, thanks very much. I'd love to. What time is it going to start?
噢，非常感谢。我当然想去。聚会什么时候开始？