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change down 英 [tʃeindʒ daun] 　美 [tʃendʒ daʊn]

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change down

phrase. 放慢车速　

You have to change down when you drive uphill.　当你开着汽车爬坡时，你必须换成低速挡。

But even May admits that may change down the road.　但是他也承认这种现状可能会发生改变。

1. You have to change down when you drive uphill.

当你开着汽车爬坡时，你必须换成低速挡。
2. But even May admits that may change down the road.

但是他也承认这种现状可能会发生改变。
3. They have persisted with little change down to the present day.

他们坚持变化不大下降到目前的一天。

ˌchange ˈdown

(BrE)to start using a lower gear when you are driving a car, etc.（开车等）换低一挡，换成低速挡，减速Change down into second.把车速调低到第二挡。