pentagon

n.

五边形，五角形；五角大楼（指美国国防部）；

复数：pentagons

1. DOD of America is a pentagonal building, which is called Pentagon.
   美国国防部的办公大楼是一座五边形建筑物，叫做五角大楼。
2. The office block of U.S.A defense is a pentagonal buliding,ia named pentagon.
   美国国防部的办公大楼是一座五边形建筑物，叫做五角大楼。

Pentagon adjacency as a determinant of fullerene stability
Dimensionally-regulated pentagon integrals ☆
The Pentagon's new map : war and peace in the twenty-first century
Structural and electronic properties of pentagon-heptagon pair defects in carbon nanotubes.
The nature of strength enhancement and weakening by pentagon-heptagon defects in graphene
The nature of strength enhancement and weakening by pentagon-heptagon defects in graphene.
Water structure of a hydrophobic protein at atomic resolution: Pentagon rings of water molecules in crystals of crambin
Tb6N@C84: An Improbable, Egg-Shaped Endohedral Fullerene that Violates the Isolated Pentagon Rule.
Public Affairs Television and the Growth of Political Malaise: The Case of "The Selling of the Pentagon"
"Open and Shut"for Guests in Molybdenum-Oxide-Based Giant Spheres, Baskets, and Rings Containing the Pentagon as a Common Structura...