人工污染试验artificial: adj. 1.人工的,人造的;人为的 (opp. nat ...test: n. 【动物;动物学】(软体类的)介壳,甲壳;【植物;植 ...artificial pollution: 人为污染artificial pollution source: 人为污染源test pollution and the environment: 污染与环境下载手机词典可随时随地查词查翻译