4周搞定2000+托福核心词
转换；逆转；（方针的）转变
changeover
常考释义
n. 交接；交接点【田径】
Higgins dropped the baton during the changeover.
希金斯在交接时掉棒了。
Bulstrode is waiting at the next changeover.
布尔斯特罗德正在下一个交接点等候。
n. （尤指在半场时）交换场地
It appears the two players exchanged a few angry words at the changeover.
两名运动员好像在交换场地时对骂了几句。
n. （方法、制度或产品的）变更，彻底改变
The changeover had taken place in the Easter vacation.
变更发生在复活节假期。
He again called for a faster changeover to a market economy.
他再次呼吁更快地转向市场经济。
Mobile phone users may lose coverage during the changeover from the CDMA network to the new 3G network.
从CDMA网络转换到3G网络期间，移动电话用户可能会失去网络信号。
（向新制度、新方法等）变更的，彻底转变的
The changeover date is starting to loom large for many businesses.
对于许多企业来说，转型的日子已迫在眉睫。
They still have not put together a credible changeover plan.
他们仍然没有制订出一个可靠的变革计划。
during the changeover period between winter and spring
在冬春交替时节
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