合成色素artificial: adj. 1.人工的,人造的;人为的 (opp. nat ...u: U, u (pl. U's, u's ) 1 ...r: r = 1.refrigerator. 2. ...natural colo(u)r: 自然色colo(u)r matching program: 配色程序下载手机词典可随时随地查词查翻译