| 单词 | commutator |
| 释义 | commutator/ˈkɒmjuteɪtə(r) ||; ˈkɑmjυˌtetɚ/noun [c] (technical术语) 1. a device that connects a motor to the electricity supply （连结电动机和电源的）转换开关 2. a device for changing the direction in which electricity flows 转向器；整流子 |
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