1 N-UNCOUNT (金属、塑料等的)管子,管材 Piping is metal, plastic, or another substance made in the shape of a pipe or tube. (金属、塑料等的)管子,管材
2 N-UNCOUNT (衣服、垫子等的)滚边 Piping is cloth made into a narrow tube. Piping is used to decorate the edges of clothing and things such as cushions. (衣服、垫子等的)滚边
3 ADJ [ADJ n] 尖声的;高声的 A piping voice is high-pitched. 尖声的;高声的 [written]
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