等级level

• 低级发展阶段

  stage of low level development

• 上级党委

  senior Party committee

• 减少上下级的层次

  reduce the number of administrative levels

• 各级党委

  all levels of Party committee

• 各级领导班子

  all levels of leadership groups

• 高级领导干部

  senior leading cadre

• 各级货品

  all grades of goods

• 一级宝石

  first-grade gemstone

• 一级巡洋舰

  first-class cruiser

• 一级运动员

  top-level athlete

• 一级教授

  grade-one professor

• 一级工程师

  top-level engineer

• 四级工

  fourth-grade worker

• ６级风

  force 6 wind

• 第八级工资

  eighth pay grade

• 里氏７级地震

  magnitude 7 earthquake

• 部长级代表团

  ministerial-level delegation

• 大使级会谈

  ambassadorial level talks

中小学校年级；高等学校年级year(Britain); grade(US); year

台阶儿step

• 石级

  stone step

台阶的层次；房屋的层次used for steps; storey(Britain); story(US)

• 三级的台阶

  staircase with three steps

• 七级宝塔

  seven-storey pagoda

• 拾级而上

  climb step by step

• 二级火箭

  two stage rocket