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 viewers jammed the BBC switchboard. 观众抗议的电话使英国广播公司的总机应接不暇. * [attrib 作定语] switchboardoperators 交换台接线员.

swing bridge, swing shift, swing-boat, swing-door, swing-wing, swingeing, swipe, swirl, swish, Swiss, Swiss chard, Swiss roll, switch, switch off, switch on, switch-blade, switch-man, switch-over, switch-yard, switchback, switched-on, Switzerland, swivel, swizz, swizzle, swizzle-stick, swollen, swoon, swoop, swoop down on, swop, sword, sword-dance, sword-play, sword-stick, swordfish, swordsman, swordsmanship, swore, sworn,