changeover
n. 转换；逆转；大变更
近义词：defection，conversion，move，reversal，swap，alteration，substitution，transition，
英英释义
Noun
- an event that results in a transformation
例句
用作名词(n.)
- Our production line will be undergoing a changeover next month.我们的生产线在下个月要进行更换。
- The changeover to the new taxation system has created a lot of problems.征税体制的大变更引起了许多问题。