名詞 sprue:

1. a chronic disorder that occurs in tropical and non-tropical forms and in both children and adults; nutrients are not absorbed; symptoms include foul-smelling diarrhea and emaciation
   同義詞：tropical sprue

sprue 2

n.（名詞）
The hole through which molten material is chanelled into a mold.
澆口，注入口：將熔化的材料導(dǎo)入鑄模的開孔
The waste material filling or protruding from this hole after hardening.
熔渣：硬化后塞滿開孔或從此開孔中凸出的廢料
The usually plastic rod or framework that secures molded objects, such as model parts or game pieces, before their first use.
鑄模：將諸如模型部件或器具零件等模制物體，在第一次使用前固定住的通常為塑料的桿條或框架

來源：
[Perhaps of Scots origin]
[Perhaps of Scots origin]