Last week's eruption cost time and money for travelers.

上周的火山喷发耗费了旅行者的时间和金钱。

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Time of eruption of deciduous teeth have a lot of individual differences.

乳牙的萌出时间有很大的个体差异。

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Time of eruption of deciduous teeth have a lot of individual differences.

乳牙的萌出时间有很大的个体差异。

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