Commutating machine
[电] 整流电机
🧩 词语组成解析
v. 使方向转换, 整流( commutate的现在分词 )
🗣️ 情景例句
Thank you, Mrs. Martinelli.
谢谢， Martinelli太太。
To fill out
填写
As the Maori had no written language, the stories of Maori history were handed down from generation to generation.
由于毛利人当时没有书面语，毛利人的历史故事是一代一代传下来的。