noun 下载 🔗分享 孔，口，窍。 A mouth or aperture, such as of a tube, pipe, etc.; an opening. Examples : "the orifice of an artery or vein; the orifice of a wound; the vagina and other orifices" 动脉或静脉的开口；伤口的孔；阴道和其他孔窍。 part anatomy body organ 与AI对话词汇游戏阅读练习
