R级的英文怎么说

R级的英文：
restricted (under 17 requires accompanying parent or adult guardian)（限制级，17岁以下观众要求有父母或成人陪同观看）

• A restriction against smoking in schools.
  禁止在学校吸烟。
• Restricted access, development,potential
  受限制的接触、发展、潜力
• One that restricts or modifies another; a qualification.
  资格限制或改变其它事件的事件；限定条件

• Under the hammer
  被拍卖
• under the ground;swam under water.
  在地下；游到水下
• Under water, famine; under snow, bread.
  洪水造饥馑，瑞雪兆丰年

• Is the requirement compulsory?
  必须按这个需求做吗？
• In practice, this will often require a prioritization of your job requirements.
  实务上，这往往需要重新调整工作的优先顺序。
• All systems requiring accurate timing will require a crystal.
  所有需要精确定时的系统都要用晶体。