After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to a narrow corridor. 他们进入了那个高原上的小裂口之后，沿着陡峭的洞穴斜坡向下爬去，一直来到一条狭窄的走廊。
A narrow gap or pass between hills or woods. 小路山间或林间狭窄地带或通道
A way, such as a narrow gap between mountains, that affords passage around, over, or through a barrier. 狭路，隘口提供绕过、越过或穿过障碍物通道的路，如山间狭窄的山峡
