late 14c., "large snake," from Latin boa, type of large serpent mentioned in Pliny's "Natural History;" origin unknown (in Middle English folk etymology associated with Greek bous "ox"). Extension to "snake-like coil of fur worn by ladies" is from 1836. The popular name boa constrictor is from 1788.
雙語例句
1. She wore a large pink boa around her neck.
她脖子上圍著一條粉色長羽毛圍巾。
來自柯林斯例句
2. The boa feeds on birds and small mammals.
蟒主要吃鳥和小的哺乳動物.
來自《簡明英漢詞典》
3. The switch array consistsof six interconnected BOA - type - X waveguide.
該陣列單元采用BOA型 X 波導,由六個單元集成于同一襯底上構成4×4光開關陣列.
來自互聯網
4. A new structure of BOA ( BOA - Bifurcation Optique Active ) electro - optic switch is proposed in this paper.