- n. 前文；序文；前言
a preliminary introduction to a statute or constitution (usually explaining its purpose)
make a preliminary introduction, usually to a formal document
- He spoke without preamble.
- He launched into his statement without any preamble.
- The aims of the treaty are stated in its preamble.
- Museum stills from the preamble, stills, introduced the story of three parts.
Ma had launched into conversation without preamble.出自： R. Park
The editorial preamble is excellent on the overall background to the two works.出自：Early Music
She might think this was a trick of Harry's..to preamble the marriage-bed.出自： fig.