zone of proximal development
词源说明
Calque of Russian зо́на ближа́йшего разви́тия (zóna bližájševo razvítija), coined by Soviet psychologist and social constructivist Lev Vygotsky.
释义（英文）
名词 Noun
- (psychology) The space between what a learner is capable of doing unsupported and what the learner cannot do even with support.