级用英语怎么说

级的英文：
level
grade
rank
step

• "Step by step, the ladder is ascended"
  梯子是一级级爬上去的
• interstage coupling
  【无】级间耦合
• The ammonium sulphate also reached the first - grade standard.
  硫酸氨也达到头级标准。
• There's a good A-road going North -- the A1
  有一条良好的A级公路通往北方--A级1号公路
• BUSHAN-RE: The CLEE-SAN? A frigate class vessel?
  布申-瑞：克利-桑？那艘护卫舰级的飞船？
• Unless reagent grade sucrose is available use cane sugar.
  如果没有试剂级的蔗糖，可以用甘蔗糖。
• The gauge recorded the radiation level and announced it safe to return home.
  测量仪记录了辐射级，显示可以安全返航。
• An enzyme that catalyzes genetic recombination.
  催化重级酶能催化基因重组的一种酶
• Here, running from north to south are the Northeast Plain, the North China Plain and the Middle-lower Yangtze Plain.
  这一级上从南到北分布着东北平原、华北平原、长江中下游平原。
• (of an adjective or adverb)in the simple form,not the comparative or superlative
  (指形容词或副词)原级的(非比较级的或最高级的).

• Level off the shelves with a spirit level.
  用酒精水平仪把架子弄平。
• But there is plenty of scope at that level.
  然而在此水平上还是有足够的余地。
• The worker levelled their looks at the foreman.
  工人们用目光逼视着工头。

• longitudinal grade
  纵坡度
• There are lots of jobs in junior grades.
  初级阶段有很多工作要做。
• Red grades into pink.
  红色逐渐变成粉红色。

• formation; rank
  队形
• He rose from the rank of captain to the rank of general.
  他从上尉升到将军。
• Your rank is next to mine.
  你的排名居于我之后。