a large piece of equipment in an office, hotel, public building etc that a person called a switchboard operatoruses to answer telephone calls and to connect the people calling with the people who they want to speak to 电话总机;电话交换台
ADJECTIVE | VERB + SWITCHBOARD | SWITCHBOARD + VERB | SWITCHBOARD + NOUN | PREPOSITIONADJECTIVE➤telephone電話交換機VERB + SWITCHBOARD➤call, ring (BrE) 呼叫/撥打總機▸➤flood, jam使總機應接不暇/堵塞◇The switchboard was jammed with furious calls.憤怒的投訴電話令總機應接不暇。➤be on, man, work on接聽總機;操作總機SWITCHBOARD + VERB➤light up總機交換台變亮SWITCHBOARD + NOUN➤operator總機接線員PREPOSITION➤on a/the switchboard在值守總機◇the man on the switchboard總機接線員➤through a/the switchboard通過總機◇All calls must pass through the switchboard.所有的電話都必須通過交換機。