Specialized lungs and air sacs allowed them to take in more oxygen and also made their skeletons lighter, hollowing out bone into a sturdy, honeycomb structure.
专门的肺和气囊可以吸收更多的氧气，也使它们的骨骼更轻，中空的骨骼变成坚固的蜂巢状结构。
Honeycomb Structures
原声例句
透视百科综合类
VOA Standard 2014年8月合集
The artificial vertebra has a honeycomb structure, which allows the new bone tissue to grow into it, and surgical screws are not needed to attach it.
人工脊椎的蜂窝状结构允许新骨组织生长, 而且不需要手术螺钉。
英语百科
Honeycomb structure
（重定向自Honeycomb Structures）
Honeycomb structures are natural or man-made structures that have the geometry of a honeycomb to allow the minimization of the amount of used material to reach minimal weight and minimal material cost. The geometry of honeycomb structures can vary widely but the common feature of all such structures is an array of hollow cells formed between thin vertical walls. The cells are often columnar and hexagonal in shape. A honeycomb shaped structure provides a material with minimal density and relative high out-of-plane compression properties and out-of-plane shear properties.
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