Show your ticket at the barrier before you board the train.

上火车前先在进站口的验票处出示你的车票。

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Passengers are requested to show their tickets at the barrier.

旅客需要在检票口出示车票。

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He was bailed up at the barrier by policemen who demanded to know where he was going.

处被警察拦住盘问，要他说出打算到哪儿去。

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In the early 1980s Ronald McNair helped to lift the racial barrier at NASA's astronaut program.

VOA: standard.2010.02.02

It's at equilibrium, under the new condition, that is with the barrier removed.

系统在新的状态下处于平衡，这个新的状态就是指隔板被取走了。

麻省理工公开课 - 热力学与动力学课程节选

A state of war can include, in other words, " what we might call a "cold war," two hostile sides looking at each other across a barrier of some type, not clear or not certain what the other will do.

换句话说，战争状态包括，我们所说的“冷战“,敌对双方透过某种屏障,对对方虎视眈眈，却不知道对方会干什么。

耶鲁公开课 - 政治哲学导论课程节选

Speaking after violence, Assistant Chief Constable Stephen White said he was very angry and disappointed at what happened at the barrier.

BBC: Officers injured after march ban

Mr Boyle also admitted spitting in a soldier's face during the march at the William Street barrier containing the march inside the Bogside and later throwing stones at troops.

BBC: Inquiry hears IRA guns were removed

In Kent, water was held back at the Leigh Barrier near Tunbridge Wells, preventing it flowing down the River Medway towards Tonbridge.

BBC: South hit by severe floods