Meaning of ALONG in English

ALONG

preposition

BAD : Walking along the city after dark is not a good idea.

GOOD : Walking through the city after dark is not a good idea.

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along = (moving) next to the side of something long such as a road or river: 'We walked along the Thames as far as Hampton Court.'

through = from one side of an area to another: 'The road goes through all the major towns.'

Longman Common Errors English vocabulary.      Английский словарь распространенных ошибок Longman.