ban on

• A : do you think the government should lift the ban on guns
  你认为政府应该解除枪枝的禁令吗？
• The ban on liquids and gels in your carry - on bag is no longer
  不再禁止包携带易燃液体和胶体。
• A ban on the importation of drugs had been issued recently
  最近已经发布了禁止进口毒品的法令。
• There is a ban on smoking in hospitals
  在医院里有一条吸烟禁令。
• There is a ban on smoking in the theatre
  这剧院内禁止吸烟。
• They laid a ban on smoking in theatre
  他们禁止在剧院吸烟。
• Our country has joined an international ban on ivory trading
  我们国家已加入了国际对象牙贸易的禁令。
• None of those interviewed called for a ban on sales
  不过，没有任何一位专家呼吁这样的产品必须要下架。
• It has unilaterally imposed a complete ban on trade with north korea
  日本已单方面完全禁止了对朝贸易。