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词汇	sinus
释义	si·nus AHD[sīʹnəs] D.J.[ˈsaɪnəs]K.K.[ˈsaɪnəs]n.（名词）sinus A depression or cavity formed by a bending or curving.湾，穴：由弯曲而形成的下凹或穴 Anatomy 【解剖学】 A dilated channel or receptacle containing chiefly venous blood.窦：主要容纳静脉血的膨胀的通道或空腔 Any of various air-filled cavities in the bones of the skull, especially one communicating with the nostrils.鼻窦：骰骨中充满空气的穴，尤指连通鼻腔的空穴 Pathology A fistula leading from a pus-filled cavity.【病理学】 瘘管：与装满脓液的穴连通的瘘管 Botany A recess or an indentation between lobes of a leaf or corolla.【植物学】 湾缺：叶的裂片和花冠间的凹进处或缺口 Etymology语源 Middle English [hollow in the body] 中古英语 [体内中空] from Medieval Latin sinus 源自 中世纪拉丁语 sinus from Latin [curve, hollow] 源自 拉丁语 [弯曲，中空]
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