shale

美 [ʃeɪl]英 [ʃeɪl]
  • n.页岩
  • 网络板岩;矸石;泥岩

shaleshale

shale

n.
1
The sea receded, and as the former seabed became a desert, the wind began to plane away the sandstone and shale above the bones.
19
23
Just a short distance beyond the intervening shale, the trail zigzagged down to the valley.

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