一一: each; separately; each one; one by one; one after another 短语和例子一一告别 say good-bye to everyone; 一一核对事实 check facts one by one; 一一就座 seat themselves one after another; 一一申辩 justify oneself po
一一对应: bijectionlinearitymonogamyone to one correspondenceone-one correspondenceone-tenth octaveone-to-one correspondenceone-to-one mappingone-to-one transformation
