['autteik]
通气管, 气孔, 通风道, 烟道

[ noun ]
a scene that is filmed but is not used in the final editing of the film
<noun.communication>

Outtake \Out*take"\, prep.
Except. [Obs.] --R. of Brunne.

outtake \out"take`\ n. (out"t[=a]k`),
A portion of a recorded performance which is eliminated in
the editing process and is not included in the final
commercial presentation. The recording may be audio or visual
or both, but is usually of a film or television performance.
Outtakes often include mistakes or lower quality
performances, and sometimes blunders. The latter type are
occasionally presented separately to the public for
amusement.
[WordNet 1.5 +PJC]