noun🔗Share骨头, 骸骨 Bone."The dog buried the os in the garden. "狗狗把骨头埋在了花园里。anatomybiologybodyorganismChat with AIVocabulary GamePractice Reading
noun🔗Share嘴, 口. A mouth; an opening."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。anatomyorganpartphysiologybodyChat with AIVocabulary GamePractice Reading
noun🔗Share宫颈口，子宫颈口 In particular, either end of the cervix, internal (to the uterus) or external (to the vagina)."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。anatomyorganmedicinebodyphysiologysexbiologypartChat with AIVocabulary GamePractice Reading
noun🔗Share冰丘，蛇形丘。 An osar or esker."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。geologygeographynatureenvironmentChat with AIVocabulary GamePractice Reading
