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brownfield

n. 棕色地带（指城中旧房被清除后可盖新房的区域）；褐色油田

adj. 棕色地带的

英文词源

brownfield (n.): abandoned or disused industrial land, often contaminated to some degree, 1992, American English, from brown (adj.) + field (n.).

1. By 2005 he wants half of all new houses to be built on previously developed land: so-called brownfield sites.: 到2005年，他希望会有一半的新房子建在以前曾经开发过的所谓棕色地带上。