i+1

名词 n. 形容词 adj.

英文释义

名词 n.
  1. The existence of only one word unknown to the reader or listener of a sentence. uncountable
    — When enough comprehensible input is provided, i+1 is present.
形容词 adj.
  1. Containing only a single word unknown to the listener or reader. not-comparable
    — Our SRS provides automatic i+1 sentence cards for optimal study.

词源

词源 1
Ostensibly coined by Stephen Krashen in his Explorations in Language Acquisition and Use in 2003; but possibly earlier. Originally, referred to a subsequent word (the 1) added to an existing vocabulary of i words, i.e. the i+1th word learned by the learner.
词源 2
Ostensibly coined by Stephen Krashen in his Explorations in Language Acquisition and Use in 2003; but possibly earlier. Originally, referred to a subsequent word (the 1) added to an existing vocabulary of i words, i.e. the i+1th word learned by the learner.
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