scannerlessWiktionary 原文英美构词拆解scannerscanner词干less-less后缀-lessLacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.词源说明scanner + -less释义形容词adjective1(computing) Performing tokenization and parsing in a single step, using a single formalism to express both the lexical and the phrase-level structure of the language.