4周搞定2000+托福核心词
空中航线，航路，波段，通风道
airways
常考释义
It takes twice as much effort to breathe during sleep because of greater resistance to airflow in the airways and changes in the efficiency of the muscles used for breathing.
睡眠时需要付出两倍的努力去呼吸，因为呼吸道气流的阻力会比较强并且用来呼吸的肌肉的效率会有变化。
来源于：阅读OFFICIAL24 P2n. 气道；呼吸道【解剖】
Dislodged false teeth can block the airway.
松脱的假牙可能会堵住气道。
As germs penetrate the airways, the throat often turns inflamed.
细菌侵入呼吸道时，咽部常会发炎。
n. 航路
How does a private pilot get access to the airways?
私人飞行员如何获得航空路线的使用权？
n. 导气管【医】
n. （尤指矿井的）风道，风巷
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