three-way switch
名词 n.
英文释义
名词 n.
- A type of light switch that can be arranged in pairs to control lights from two locations, as at either end of a stairway or long hallway; a double-throw switch. (UK): two-way switch.
词形变化
词源
Named after its three electrical connections, as opposed to the two connections of a normal light switch.
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数据来源: Wiktionary