ledge基本解释
n,[家具]壁架；突出之部份；暗礁；矿层,同近
We crept carefully along the narrow ledge..我们小心翼翼地沿着狭窄的岩架爬行。
壁架；突出之部份；暗礁；矿层英释中释na narrow flat piece of rock that sticks out on the side of a mountain or cliff
