ventilation基本解释

n,通风设备；空气流通,同近

This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it..这样就可以解决通风的问题，当火车进入隧道的时候，它就会带来一股新鲜的空气了。

通风设备；空气流通中释n

ventilation system,通风系统.短语