名词 air-intake:

1. a duct that admits air to be mixed with fuel

airlessadj.不通风的；缺少新鲜空气的airn.空气；天空；空中；感觉；神态；曲调；装腔作势v.晾干；使通风；广播air-tube breathing apparatus气管呼吸器air-isolated eireuit breaker空气断路器airflow maldistribution degree风速分布不均匀度Air Navigation Traffic Control空中导航交通管制air-to-air energy recovery排风热回收air filter clog warning sensor空气滤清器堵塞报警传感器air compressor cooling systems空压机冷却系统air filled tyre pneumatic tyre气轮胎Air Intercept Missile Exercise空中截击导弹演练air defense combat disposition防空作战部署

1. He sucked hard for air to keep breathing.
   他拼命吸气以维持呼吸。
2. When we breathe,we draw air into our lungs.
   当我们吸气时，把空气吸入肺里。