1
change over to sth
表示从当前系统或方法切换到另一个。
We need to change over to the new software by next month.
我们需要在下个月之前转换到新软件。
转换；切换；改用
changed over — past of change over
先理解核心含义，再看它在真实句子里的用法。
转换；切换；改用
to change from one system or method to another; to convert
We need to change over to the new software by next month.
我们需要在下个月之前转换到新软件。
转换到,进行系统转换。
to convert to, to make a transition from one system to another
change over
Base
原形
changes over
3rd person
第三人称单数
changing over
-ing
现在分词
changed over
Past
过去式
changed over
Past participle
过去分词
We change over to winter tires every November.
我们每年十一月换冬季轮胎。
They changed over the entire system last month.
他们上个月更换了整个系统。
The factory is changing over to renewable energy.
工厂正在切换为可再生能源。
表示从一种状态或系统转换到另一种，常见于设备、流程或时间的切换。
The factory will change over to solar power next month.
工厂下个月将改用太阳能。
After the first lap, the relay team changed over smoothly.
第一圈后，接力队顺利交接。
We are changing over to a new accounting software next week.
我们下周将切换到新的会计软件。
表示从当前系统或方法切换到另一个。
We need to change over to the new software by next month.
我们需要在下个月之前转换到新软件。
强调从旧到新的转变过程。
The factory changed over from coal to natural gas last year.
这家工厂去年从煤炭改用天然气。
宾语置于短语中间或末尾均可。
We changed the system over to a digital platform.
我们把系统转换到了数字平台。
Not this
We need to change the new software.
Use this
We need to change over to the new software.
使用 "change over" 表示从一种系统转换到另一种系统，而不是单独用 "change"，后者含义过于宽泛。
Not this
We changed over into the new system.
Use this
We changed over to the new system.
"change over" 后接 "to" 来表示转换的目标，而不是 "into"。
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Dictionary facts from ECDICT, WIKTIONARY.