The floor of the atlantic ridge in the middle from north to south.
大西洋洋底在中部形成由北向南的海脊。
The evening before the battle, Wellington took up a defensive position along, and to the rear of, a long ridge.
那场战斗的前夜,威灵顿沿一条长长的山脊背后占据了一个防守阵地。
He walked along the mountain ridge.
他顺着山脊走。