单词	A pigeon coos
释义	A pigeon coos. 鸽子咕咕叫.
随便看	segregation law segregationless segregation line segregation load segregation manifestation form segregation map segregation mutant segregation mutation segregation of asphalt mixture segregation of assets segregation of burden distribution segregation of cargo segregation of character segregation of concrete segregation of dangerous chemicals Segregation of Dangerous Goods segregation of duties segregation of element segregation of exposure unit segregation of financial business segregation of fixed items principle segregation of functions segregation of gene segregation of hydrocarbons segregation of impurities