单词appropriacy
n.: 适合性；恰当性；（词语等的）得体；恰当用词
网络: 得体性；适宜性；适切性
适合性；恰当性:
the extent to which sth is suitable or acceptable
（词语等的）得体；恰当用词:
the extent to which a word or phrase sounds correct and natural in relation to the situation it is used in
Marks will be awarded for content, organization, grammar and appropriacy.
（文章）会根据内容，语法与用词准确而给分。
The teacher was talking about appropriacy in the use of language.
教师在谈论使用语言的适合性问题。
On Linguistic Appropriacy in Cross- cultural Communication
跨文化交际的言语得体性
On Speech Appropriacy of English Acquisition
外语学习中的话语得体
Realizing language appropriacy by highlighting cultural awareness in English note-writing strategy
强调文化意识实现语言得体——论英语便条写作策略指导