communication trench+[UK: kə.ˌmjuː.nɪˈk.eɪʃ.n̩ trentʃ] [US: kə.ˌmjuː.nəˈk.eɪʃ.n̩ ˈtrentʃ]
approach trench+noun[UK: ə.ˈprəʊtʃ trentʃ] [US: əˈproʊtʃ ˈtrentʃ]
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