1. The bone contains many small air cells that help reduce its weight.
这种骨骼含有许多小气室，有助于减轻重量。

2. Scientists studied the air cell structure inside the bird's skull.
科学家研究了鸟类头骨中的气室结构。

3. Damage to the air cell may affect the overall strength of the material.
气室受损可能会影响材料的整体强度。

4. The packaging uses air cells to protect fragile products during shipping.
这种包装利用气囊在运输过程中保护易碎产品。

A: What is an air cell in biology?
A：生物学中的air cell是什么？

B: It is a small space filled with air inside bones or tissues.
B：它是骨骼或组织内部充满空气的小空间。

1) 生物或骨骼中充满空气的小腔体

2) 工程材料或包装中的减重气室结构

3) 用于隔热或缓冲的空气隔层设计

1. 气室；气腔（生物或材料中的空气腔体）

e.g. The air cells in the bone reduce its overall weight.
骨骼中的气室减轻了整体重量。

2. （工程）空气缓冲结构单元

e.g. Air cells are used in packaging to absorb shock during transport.
包装中的气室用于运输过程中吸收冲击力。

noun

1. A small cavity or chamber filled with air, found in biological tissues, bones, or engineered materials, often serving to reduce weight or provide cushioning.