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switch/
swɪtʃ
/
1.noun [c]
(for light，radio etc) 开关
2.noun
(change) 转变
3.vt.
(change) 改变
4.vt.
(exchange) 调换
5.vi.
(change) 转变
to switch two things round {or} over
交换两样东西的位置