短語詞組短語snow cover line 積雪線snow precipitation line 降雪線temporary snow -line 暫時(shí)雪線snow -line 雪線snow precipitation line detail 降雪線climb above the snow -line 攀越雪線climatic snow line [氣候]氣候雪線Lhasa in snow line 拉薩雪頓行mountain n snow line 山脈雪線 返回 snow line