交际能力指的是恰当地使用语言的能力。

Communicative Competence is the ability to use language properly.

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使用语言的能力只能通过使用语言的行为来获得。

The ability to use a language can be acquired only by the acting of using the language.

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在口语考试中，决定被试最终得分的是考生使用语言的能力。

The test takers' score is to reflect the test takers' ability to use language in oral test.

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Second skill we want you to have at the end of this course is the ability to use a vocabulary of computational tools in order to be able to understand programs written by others.

我们想让你们在课程结束时,掌握的第二个技能,是有能力使用计算工具的语言,用来理解,别人编写的程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

And this is interesting because this suggests that to some extent the ability to use and understand and learn language is part of human nature.

这一点很有意思,因为这表明,从某种程度上来说,语言的使用,理解以及学习能力,是人类本性的一部分

耶鲁公开课 - 心理学导论课程节选

More speculatively, there has been some fairly recent work studying the genetic basis of language, looking at the genes that are directly responsible for the capacity to learn and use language.

更具体的来说,一些最新的语言遗传基础研究,探查了直接影响语言学习,及使用能力的基因

耶鲁公开课 - 心理学导论课程节选