Below microscope we can see cork is by by tens of thousands be just as composition of alveolate dead cell, air was filled inside the cell, formed many a airtight gasbag.

• 在显微镜下我们可以看到软木是由成千上万个如同蜂窝状的死细胞组成，细胞内布满了空气，形成了一个一个的密闭气囊。