In most localities a given species of clam or coral persists essentially unchanged throughout a thick formation of rock, only to be replaced suddenly by a new and different species.

在大多数地方，某一种蛤蜊或珊瑚在厚厚的岩层中保持基本不变，只是突然被一个新的不同的物种所取代。

youdao

Roads have now replaced the river, though some are only half-built.

现在公路已经取代了水路，尽管有些道路还只建成一半。

youdao

If the number specified is greater than zero, then only the occurrence found is replaced.

如果指定的数字大于零，则只替换找到的发生项。

youdao

Maybe the device itself is new, but it only replaced something that worked the same way, just like those dumb terminals.

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Embedded chips generally cannot be fixed, only replaced.

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World Cup rules state a player can only be replaced on medical or compassionate grounds, which has to be ratified by a tournament medical officer.

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