火车鸣笛

远处有一辆火车鸣笛。

Far away in the distance , a train whistled .

火车鸣笛示警。

The train hooted a warning .

火车鸣笛。

The train whistled .

火车鸣笛；列车徐徐开出。

The train whistle blows : the train pulls out .

火车鸣笛开走了。

The train whistled and steamed off .

几分钟过去了，火车鸣笛开动了。

Several minutes passed , the whistle blew , and the train began to move .

据当地日报《俄勒冈人》报道，周六，一辆救火车鸣笛冲进本德市附近的罗克斯普林斯农场，要求疏散正在那里举行的婚礼。

A fire truck rolled up at Rock Spring Ranch near Bend with sirens blaring Saturday and the wedding party was told to evacuate , The Oregonian reported .

他们听到火车的鸣笛声。

They heard the sound of the train whistle .

火车突然鸣笛，那匹马受惊脱逃。

Startled by the sudden whistle of the train , the horse broke away .

正如火车的鸣笛，当它靠近你的时候，音高会增高，比起远离地球的气体，靠近的气体蕴含很多能量，

And just as the train whistle has a higher pitch when it 's coming towards you , there 's more energy from the gas coming towards us than going away from us .