noun 下载 🔗分享 骨头, 骸骨 Bone. Examples : "The dog buried the os in the garden. " 狗狗把骨头埋在了花园里。 anatomy biology body organism 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 嘴, 口. A mouth; an opening. Examples : "The cave's os was dark and mysterious, hinting at unknown depths within. " 山洞的洞口黑暗而神秘，暗示着内部未知的深度。 anatomy organ part physiology body 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 宫颈口，子宫颈口 In particular, either end of the cervix, internal (to the uterus) or external (to the vagina). Examples : "During the examination, the doctor carefully checked the external os of the cervix. " 在检查时，医生仔细检查了宫颈外口。 anatomy organ medicine body physiology sex biology part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 冰丘，蛇形丘。 An osar or esker. Examples : "Example Sentence: "The hikers followed the winding os across the flat landscape, using it as a natural path." " 徒步者们沿着蜿蜒的冰丘（蛇形丘）前进，它像一条天然小路，横穿过这片平坦的土地。 geology geography nature environment 与AI对话词汇游戏阅读练习
