YOU SAID:

an artificial underground passage, especially one built through a hill or under a building, road, or river.

INTO JAPANESE

人工地下通路、特に 1 つは丘や建物、道路、または川の下を造った。

BACK INTO ENGLISH

Artificial underground passage, especially one built under the Hill, building, road or river.

INTO JAPANESE

人工の地下通路、特に 1 つの丘、建物、道路や川に建設します。

BACK INTO ENGLISH

The construction of artificial underground passage, especially the one Hill, building, road or river.

INTO JAPANESE

人工の地下通路、特に 1 つの丘、建物、道路や川の建設。

BACK INTO ENGLISH

The construction of artificial underground passage, especially the one Hill, building, road or river.