alternate, periodic
这两个词共同的意思是有规律地重复再现。alternate指两件事物交替出现或一件事物每隔一段时间出现; periodic指可预测的周期性发生。
alternate, rotate
这组词都指“轮流”“交替”,它们的区别是alternate指两者间“轮流”, rotate则指三者或三者以上。例如:
The manager said he will alternate Jane and Joe as editor.
经理说他会让简和乔轮流做编辑。
He told me that he will rotate Caddy,Keat and Ilott as his teacher.
他告诉我他会让卡迪,基特和伊洛特 轮流当他的老师。
alternate between, alternate with
这两个短语的区别在于:
1.alternate between的意思是“相互交替”, alternate with的意思是“与之交替”。
2.alternate between一般接and连接的并列宾语,而alternate with则接名词或代词作宾语。