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trailer ['treɪlə] 名词
军队, 缩写 tr
摄影 An advertisement for a movie which contains scenes from the film. Historically, these advertisements were attached to the end of a newsreel or supporting-feature, hence the name. Doing this reduced the number of reel changes that a projectionist would have to make. See also teaser trailer.
缩写 trl
缩写, 汽车 tlr