| 释义 |
1. | 窦；窦道any of the hollow spaces in the bones of the head that are connected to the inside of the nose |
n. | 5. 【动物;动物学】(软体动物的)弯;(腕足类的)中槽,凹 5. 【动物;动物学】(软体动物的)弯;(腕足类的)中槽,凹 | adj. | |
n. | 1. a cavity filled with air in the bones of the face and skull, especially one opening into the nasal passages 2. a widened channel containing blood, especially venous blood 3. an elongated tract leading from a pus-filled region of the body to the exterior or to the cavity of a hollow organ 4. a cleft or indentation between the lobes of a leaf or the fused petals of a corolla 5. one of several empty spaces in the bones of your face in the area behind your nose 1. a cavity filled with air in the bones of the face and skull, especially one opening into the nasal passages 2. a widened channel containing blood, especially venous blood 3. an elongated tract leading from a pus-filled region of the body to the exterior or to the cavity of a hollow organ 4. a cleft or indentation between the lobes of a leaf or the fused petals of a corolla 5. one of several empty spaces in the bones of your face in the area behind your nose |
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