pseudosulcusWiktionary 原文构词拆分pseudo-前缀False; not genuine; fake. · (proscribed) Quasi-; almost.+sulcus词根/词干词源说明From pseudo- + sulcus.释义（英文）名词 NounA groove that has the appearance of a sulcus.词族派生词（1）pseudosulcus vocalis