substitution class英 [ˌsʌbstɪ'tjuːʃ(ə)n klɑːs]美 [ˌsʌbstɪ'tuʃ(ə)n klæs]网络 替换类网络英英释义nounthe class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)Synonym:paradigm双语例句