trailer

中文： 拖车、预告、预告片

1. Someone who or something that trails (follows behind); something that is trailing.
2. Part of an object which extends some distance beyond the main body of the object. · the trailer of a plant
3. An unpowered wheeled vehicle (not a caravan or camper) that is towed behind another, and used to carry equipment, etc., that cannot be carried in the leading vehicle. · At the end of the day, we put the snowmobiles back on the trailer.
4. A furnished vehicle towed behind another, and used as a dwelling when stationary. (US) · We drove our trailer to Yellowstone Park.
5. A prefabricated home that could be towed to a new destination but is typically permanently left in an area designated for such homes. (US) · The young couple′s first home was in a trailer.
6. A preview of a film, video game or TV show. (US) · The trailer for that movie makes it seem like it would be fun.
7. A short blank segment of film at the end of a reel, for convenient insertion of the film in a projector.
8. The final record of a list of data items, often identified by a key field with an otherwise invalid value that sorts last alphabetically (e.g., “ZZZZZ”) or numerically (“99999”); especially common in the context of punched cards, where the final card is called a trailer card. · The linked list terminates with a trailer record.

复数 trailers