自从“配对联结式学习”这个概念提出以后，二语习得领域中配对联结式学习频频受到关注。
Since the concept of "paired-associate learning (PAL)" was coined, studies of PAL in the field of second language acquisition (SLA) have received frequent attention.
二语习得领域中的相关研究主要关注单词的配对联结式学习，而很少有人研究像习语这样的多个词的配对联结式学习。
The main focus of the related studies in SLA field is on PAL of individual words, but few studies have been conducted on the multiword units like idioms in PAL context.
二语习得领域中的相关研究主要关注单词的配对联结式学习，而很少有人研究像习语这样的多个词的配对联结式学习。
The main focus of the related studies in SLA field is on PAL of individual words, but few studies have been conducted on the multiword units like idioms in PAL context.
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