平稳开动
Start smoothly
以上为机器翻译结果，长、整句建议使用 人工翻译 。
过了半小时以后，当我们透过车窗看另一列火车时，我们看到我们所乘的火车好像是在缓慢地平稳地开始开动了。
A half-hour passes. As we look at the other train through our window, we see that our train seems to start moving, smoothly and slowly.
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