Whistle post
01
鸣笛标志, 哨子柱
a sign along a railway track that tells the train driver to blow the whistle
例子
The train driver saw the whistle post and blew the whistle to warn people near the tracks.
火车司机看到了鸣笛标志,并鸣笛以警告轨道附近的人们。
Workers placed a new whistle post by the curve to increase safety for everyone.
工人们在弯道旁放置了一个新的哨子柱,以提高每个人的安全性。



























