de·bouch /dɪˈbaʊʧ, ˈbuʃ, di-/
 (vi.)進出于,流出(vt.)使流出


 De·bouch v. i. [imp. & p. p. Debouched p. pr. & vb. n. Debouching.]  To march out from a wood, defile, or other confined spot, into open ground; to issue.
    Battalions debouching on the plain.   --Prescott.
 2. Geog. To issue; -- said of a stream passing from a gorge out into an open valley or a plain.

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 debouch
      v 1: march out (as from a defile) into open ground; "The
           regiments debouched from the valley" [syn: march out]
      2: pass out or emerge; especially of rivers; "The tributary
         debouched into the big river"