在从伦敦飞往东京的航班上，我们在伊斯坦布尔中途停留了一天，以探索这座城市。

On our flight from London to Tokyo, we ___stopped ___over in Istanbul for a day to explore the city.

如果你乘火车穿越全国，沿途在几个不同的小镇中途停留一下会很不错。

If you're travelling across the country by train, it's nice to ___stop ___over in a few different towns along the route.

许多航空公司提供在其枢纽城市中途停留数天的选择，且无需额外机票费用。

Many airlines offer the option to ___stop ___over in their hub city for several days at no extra airfare cost.