词根词缀:patent-
【来源及含义】Latin: to be open, lying open, to lie open
【同源单词】patent, patentability, patentable, patentee, patently, patentor
【来源及含义】Latin: to be open, lying open, to lie open
【同源单词】patent, patentability, patentable, patentee, patently, patentor