quatrefoil

n.

四瓣花，四叶片的叶子；

Mosier : Waterfront park master plan
History of Quatrefoil Library
Quatrefoil
Quatrefoil
Synthesis of Organic/Inorganic Hybrid Quatrefoil-Shaped Star-Cyclic Polymer Containing a Polyhedral Oligomeric Silsesquioxane Core
Quatrefoil reentry in myocardium: an optical imaging study of the induction mechanism.
A New Larval Fish Light Trap: The Quatrefoil Trap
Quatrefoil connector connecting shelves
Sampling neotropical young and small fishes in their microhabitats : an improvment of the quatrefoil light trap
Simulation of protective zones during quatrefoil reentry in cardiac tissue.