单词：derivations
音标：[derɪ'veɪʃnz] ；
n. 发展( derivation的复数形式 ); 起源; 派生; 词源
n. the source or origin from which something derives (i.e. comes or issues)
n. (historical linguistics) an explanation of the historical origins of a word or phrase
n. a line of reasoning that shows how a conclusion follows logically from accepted propositions
n. (historical linguistics) an explanation of the historical origins of a word or phrase
n. a line of reasoning that shows how a conclusion follows logically from accepted propositions