ostiumWiktionary 原文英美词源链拉丁语Latin约前 75–公元 3 世纪ōstium↓ 借入英语Englishostium词源说明Borrowed from Latin ōstium.释义名词noun1A small opening or orifice, as in a body organ or passage.2Any of the small openings or pores in a sponge.3The mouth of a river.同族词