1 Definition Subordination means putting a grammatical unit in a lower rank or position. A grammatical unit that functions as a constituent of another unit of equal or lower rank of structure is called subordinate constructi, which might
Unit 1 ENGINEERING MATERIALS Part 1 Vocabulary 一、大词(Semi-Scientific Word) 1. group vt,v(常与with连用)分组;分类;归类 e.g. The data can be grouped under three heads. 这些资料可以分为三大类。 grouping.分组