护墙
4.A platform that projects from the wall of a building and is surrounded by a railing, balustrade, or parapet.
5.A low protective wall or railing along the edge of a raised structure such as a roof or balcony.
6.A cylindrical bundle of sticks bound together for use in construction, as of fortresses, earthworks, sea walls, or dams.
8.The teams set up their control centres by the pit wall: high-tech tents with computers, monitors and radio antennae.
9.A long, narrow board with one edge thicker than the other, overlapped horizontally to cover the outer walls of frame structures.
10.Spring does come.In the garden the rue anemones come marching out,bright as toy soldiers on their parapets of stone.The dogwoods fioat in casual clouds among the hills.
