natural n.白痴a.自然的,自然界的,...natural representative 当然代表...natural-born a.生就的,生来的...undamped natural frequency 无阻尼自然频率...natural product 天然产品,自然产品...natural radiation 天然放射...natural radiactivity 天然放射现象...natural noise 自然噪声...acknowledgement of natural child 非婚生子女的认领,私生子女的认...natural transmutation 自然蜕变...natural perfume 天然香料...natural number 自然数...C.I. natural Red 19 羊角藤;C.I.天然红19...natural-gasoline plant 天然汽油厂...natural person 自然人...natural environment 自然环境...easy processing natural rubber 易操作天然橡胶...natural pattern 实物模型...natural oil 天然油...natural magnet 天然磁铁...natural silica sand 天然矽砂...
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