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
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
Do flying saucers really exist?
飞碟真的存在吗？
Don't you think we should add a sentence here like this?
难道你不觉得我们应该在这儿加上一句话？