Trang chủ » Tra từ
danh từ
  • step, footstep (bậc thang gác); rung (of a ladder)
  • grade, class, degree, level, rank, category
a worker of the 4th grade (class)
a duty of first class importance
outstanding progress
to be in the utmost degree of happiness
the elders
the university level
an equation of the third degree
a terraced field
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