degraded alpine meadows [農業(yè)科學]退化高寒草地degraded adj. 退化的；墮落的；被降級的 v. 分解（degrade的過去分詞）；降低…的身份；削減degrade situation [交通運輸工程]降級情況degrade performance 降低性能degrade gracefully 完全降低degrade (v.) degrade vt. 貶低；使……丟臉；使……降級；使……降解 vi. 降級，降低；退化degradative adj.使下降(或降解、陵削、退化等)的趨向下降(或降解等)的.degradational adj.降級的；免職的degradation-resistant 抗降解的degradation reaction [化學] 降解反應degradation product 降級產品，[化學] 降解產物degradation mechanism 老化機構；降解機制degradation factor 遞降系數，遞降因數；退化因數degradation (n.) degradation n. 退化；降格，降級；墮落degradat-ion ratio of nutrient substance [農業(yè)科學]營養(yǎng)物質降解率degradable polymer [化學]可降解高分子材料降解性聚合物[材料科學]降解性高分子[生物學]降解性高分子degradable dishware [機械工程]可降解餐飲具degradable (adj.)