| 单词 | central axis |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔columella〕Any small columnlike structure in various plants and animals, often forming the central axis of development for the organism or an anatomical structure.小柱：植物和动物中的一种小的柱状结构，通常构成有机体发展或解剖架的中轴美国传统〔helicopter〕An aircraft that derives its lift from blades that rotate about an approximately vertical central axis.直升机：螺旋桨叶围绕一根近似垂直的中心轴旋转而使其升高的飞机美国传统〔pivot〕The boat pivoted on its central axis and pointed straight at the harbour entrance.小船原地掉过头来，直指海港入口。柯林斯高阶〔trochoid〕Capable of or exhibiting rotation about a central axis.旋转的：能够绕中心轴旋转的，或正在绕中心轴旋转的美国传统 |
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