等级的

• We are in urgent need of these two grades
  我们现在急需这两种等级的货。
• You ca ee the difference etwee these grades
  你可以看看这些等级的差别。
• Appointments to the top ranks of the church are for life
  教会最高等级的任命是终身制的。
• A : we can offer you this in different leels of quality
  这产品我们有三种不同等级的品质。
• A : we can offer you this in different levels of quality
  这产品我们有三种不同等级的品质。
• These two grades are very much in demand
  这两种等级的货目前需求甚殷
• We are i urgent eed of these two grades
  我们现在急需这两种等级的货。
• How is the difficulty level for each word determined
  每个词汇是如何归入不同的难度等级的？
• We are in urgent need of these two grades
  我们现在急需这两种等级的货
• Definition and classification of grades of steel
  钢等级的定义和分类