Last year, when I was in London I saw one of the thickest fogs in years.

去年，我在伦敦的时候见到了最大的一场雾。

youdao

London used to have bad fogs in winter.

伦敦过去在冬季常有浓雾。

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London used to have bad fogs in winter.

过去伦敦冬天雾大。

youdao

London used to have bad fogs in winter.

过去伦敦冬天雾大。

youdao