/rɪdʒ; rɪdʒ/
n
1 raised line where two sloping surfaces meet; narrow raised strip 脊; 脊梁; 脊状物
*the ridge of a roof 屋脊
* There are ridges on the soles to help the boots grip the surface. 靴底有凸起的条纹防滑.
* a series of ridges in a ploughed field 　过的田地上的　. Cf 参看 furrow.
2 narrow stretch of high land along the top of a line of hills; long mountain range 山脊; 山脉.=>illus at mountain 见mountain插图. Cf 参看 plateau.3 (in meteorology) elongated region of high pressure （气象学用语）高压脊. Cf 参看 trough 4.

v [Tn] cover (sth) with or make (sth) into ridges 给（某物）加脊状物; 使（某物）成脊状
*a slightly ridged surface 略呈脊状的表面.

n[C]
[Language: Old English;Origin: hrycg]
a long area of high land, especially at the top of a mountain
　We made our way carefully along the ridge.
a) something long and thin that is raised above the things around it
　A small ridge of sand separated the field from the beach.
　The ridges on the soles give the shoes a better grip.
b) the part at the top of a roof, where the two sides meet
ridge of high pressure
technical a long area of high air pressure in the atmosphere, which has an effect on the weather