单词 switchboard 释义 switchboard|swtbd|[f. switch n. 3 b + board n.]a. A board or frame bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph, telephone, etc.1873Harper's Mag. Aug. 349...
单词 switchboard 释义 switchboard n (staff controlling a) central panel with a set of switches for making telephone connections or operating electrical circuits 电话交换台、 总机或配电板(工作人员) on duty at the switchboard 在电话交换台值班 Protesting...