同词根的英语单词的意思都很相近,例如adopted 和 adoptive,dependant 和 dependent 等等,还有马上上场的 alternate 和 alternative. 1、作动词,意为”使交替,使轮流,交替,轮流“,常用格式是 alternate A and B,alternate A with B,alternate between A and B,例如:I like to alternate physical and intellectual activities.He alternated working in the office with long tours overseas.Throughout the holiday, the weather alternated between rain and sunshine every day.2、作形容词,意为“交替的,轮流的;间隔的,每隔(…天等)的”,例如:The car is broken. We need alternate transport.解析:此句中的 the car 已经不是一个选择了,alternate transport 替代它。The trouble is you can only park in the hospital on alternate days.John has to work on alternate Sundays.3、作名词,意为“代替者;代理人;候补者”,例如:Our usual captain is on leave. Simon is the alternate.In most jurisdictions, twelve jurors and two alternates are chosen.1、作形容词,意为”可供替代的;另类的,非传统的“,例如:The car is quite expensive. I suggest alternative transport.解析:此句中的 the car 还是一个选择,alternative transport 是另外一个选择。Do you have an alternative solution?You can be paid in cash weekly or by cheque monthly; those are the two alternatives.你的工资可以按周以现金支取,或按月以支票支取。二者可选其一。We had no alternative but to fire Gibson.1、alternate 可以作动词、形容词和名词,而 alternative 只能作形容词和名词。2、alternate 是替代原先的,而 alternative 是原先的另一个选择。
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