1. A week before, he had completed a successful overland flight during which he covered twenty-six miles.
    一个星期之前，他成功地完成了一次飞越26英里的陆上飞行。

2. A week before, he had completed a successful overland flight during which he covered twenty-six miles.
    一周以前，他曾成功地进行了一次26英里的陆上飞行。

3. In October, the two of them left Paris for Marseilles, to take a ship from there for Algiers, and then overland to Egypt.
    十月，他们两人离开巴黎前往马赛，从那儿乘船前往阿尔及尔，然后再走陆路去埃及。