collocation
n. （搭配而成的）词组；（词语的）搭配，组合；配置，并列
复数 collocations
例句
Advanced students need to be aware of the importance of collocation.
层次较高的学生必须意识到词语搭配的重要性。
《牛津词典》
The first item is simple collocation.
第一条定义是动词go和介词ahead的简单搭配，算不上短语。
Collocation compared to data balancing.
并置与数据平衡间的对比。
