环 状弹性带具有中心片和侧片。
The ring-like elastic belt has a central panel and side panels.
右边及左边侧片。
我们的两片肺是由复杂的管子交叉网组成的，在心脏的两侧悬浮着，在有弹力纤维构成的框架的胸腔里。
Our two lungs are made up of a complex latticework of tubes, which are suspended, on either side of the heart, inside the chest cavity on a framework of elastic fibers.
应用推荐