noun 下载 🔗分享 孔,小孔,开口 An opening, an orifice; a short passage. Examples : "The dentist pointed to a tiny foramen in the tooth's enamel, explaining that it would need to be filled to prevent further decay. " 牙医指着牙齿珐琅质上的一个微小孔洞,解释说需要填充它以防止进一步腐烂。 anatomy medicine biology part 与AI对话词汇游戏阅读练习