词汇	four-membered ring
释义	four-membered ring 四元环
随便看	Red-and-blue Lory red and blue pencil Red and blue spectrum red-and-blue-striped red and brown compilation red-and-gold red and gold dusted native glazed paper red-and-green Red and green are complementary colors Red and Green Channel System Red-and-Green Macaw red and green pickled fruit Red and scarlet predominate in these flowers red and soft rocks red and soft silk knit goods red and swollen Red and Swollen Throat red-and-white Red-and-White Red-and-White Antpitta red and white beacon Red and white chequers buoy red-and-white crake Red and white flying squirrel red and white horizontal stripes