a channel through which metal or plastic is poured into a mould 浇铸道,铸道 ■a piece of metal or plastic which has solidified in a sprue, especially one joining a number of small moulded plastic items 炉口结渣
语源
early 19th cent.: of unknown origin
sprue2 [spruː] noun
[mass noun]disease of the small intestine causing malabsorption of food, in particular 小肠吸收障碍症,尤指 ■(亦作 tropical sprue)a disease characterized by ulceration of the mouth and chronic enteritis, suffered by visitors to tropical regions from temperate countries 口炎性腹泻 ■(亦作 non-tropical sprue). another term for coeliac disease 同 coeliac disease
语源
late 19th cent.: from Dutch spruw 'thrush'; perhaps related to Flemish spruwen 'sprinkle'