membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
双语例句
They split into the dust and imprint the windows with individual signatures.They plink on the vent pipe, and plunk on the patio roof. 他们打在地上，打在窗户上留下印记，打在排风管上，打在凉棚上。
Tornadoes form when winds blowing in different directions meet in the cloud and begin to turn in circles.Warm air rising from below causes the wind tube to reach toward the ground. 当云层中不同方向的风相遇且开始环向旋转时就形成龙卷风，低空热气流上升致使这种风管伸向地面。
They split into the dust and imprint the windows with individual signatures.They plink on the vent pipe, and plunk on the patio roof. 他们打在地上，打在窗户上留下印记，打在排风管上，打在凉棚上。
Tornadoes form when winds blowing in different directions meet in the cloud and begin to turn in circles.Warm air rising from below causes the wind tube to reach toward the ground. 当云层中不同方向的风相遇且开始环向旋转时就形成龙卷风，低空热气流上升致使这种风管伸向地面。
