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