| 单词 | sinus |
| 释义 | Word Frequency sinus(ˈsaɪnəs) nounWord forms: plural -nuses 1. anatomy a. any bodily cavity or hollow space b. a large channel for venous blood, esp between the brain and the skull c. any of the air cavities in the cranial bones 2. pathology a passage leading to a cavity containing pus 3. botany a small rounded notch between two lobes of a leaf, petal, etc 4. an irregularly shaped cavity Word origin C16: from Latin: a curve, bay |
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