短語詞組短語rocky outcropping 露巖outcropping area 出露區(qū)outcropping bed 露頭層outcropping sand -packed model 露頭模型a bare outcropping of rock 一塊露出地面的光禿巖石partia -lly-outcropping coalfield 又稱半暴露煤田 返回 outcropping