dunce cap

n.

以前的学生被罚时所戴的纸帽；

DunceCap
Alkaloid Content of Duncecap Larkspur after Two Years of Clipping
Comparison of the toxic effects of two duncecap larkspur (Delphinium occidentale) chemotypes in mice and cattle.
The biogeographical distribution of duncecap larkspur (Delphinium occidentale) chemotypes and their potential toxicity.
DunceCap: Query Plans Using Generalized Hypertree Decompositions
DunceCap: Query Plans Using Generalized Hypertree Decompositions
Relationship of Relative Total Alkaloid Concentration and Toxicity of Duncecap Larkspur during Growth
Endoscopic criteria for malignancy in colon adenomas. The dunce cap adenoma
Difficulty in Controlling Duncecap Larkspur (Delphinium occidentale)
Conditioning Sheep to Graze Duncecap Larkspur (Delphinium occidentale)