教师让我们站成纵队。

The teacher asks us to stand in lines.

youdao

他们成纵队行走。

They walked in file.

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孩子们成一路纵队走进院子。

The children trooped into the yard in single file.

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人行道太狭窄，我们只好成一列纵队走。

The sidewalk was so narrow that we had to walk in single file.

youdao

人行道太狭窄，我们只好成一列纵队走。

The sidewalk was so narrow that we had to walk in single file.

youdao