interlanguage
【正确答案】：Interlanguage refers to a series of internal representations that a learner constructs in second language acquisition;it comprises the leaner’s interim knowledge of the target language.
【题目解析】：中介语是指学习者在第二语言习得中构建的一系列内部表征，它包括学习者的目标语言的临时知识。