Polyphase commutator machine
[电] 多相换向电机
🧩 词语组成解析
a. 多相的\\n[医] 多相的
commutator
[['kɔmjuteitə]]
n. 换向器, 整流器\\n[化] 对易式; 整流器
🗣️ 情景例句
Yes.
是的。
No man knows when he shall die, although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
Among these I would list string and brown paper, kept by thrifty people when a parcel has been opened, to save buying these two requisites.
这些东西中我想举出线绳和包装纸为例。节俭的人们打开包裹后便把这两样必备的东西收藏起来。省得日后去买。