Battery commutator
[电] 电池互换器
🧩 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
commutator
[['kɔmjuteitə]]
n. 换向器, 整流器\\n[化] 对易式; 整流器
🗣️ 情景例句
It's just one of those things.
这样的事情总是难免的。
The day is long to him who knows not how to use it.
百无聊赖。
however painful it may be at the moment.
尽管会有暂时的痛苦。