medium difficulty

英 美
  • 中等难度
  • difficulty n.困难;争议;麻烦
  • medium adj.中等的;适中的n.手段;媒介;媒体
    1. Concrete with river gravel or quartzite aggregate is of medium difficulty to cut.
      溪砂石骨料混凝土或石英岩身材中等难度降低。