He often swims in the river.
来源：这是一句简单的英语句子，结构为主语+动词+副词+地点。
例句1：He often swims in the river before work.
翻译：他经常在上班前在河里游泳。
例句2：Despite the cold weather, he still goes for a swim in the river every morning.
翻译：尽管天气寒冷，他仍然每天早上去河里游泳。
例句3：He has made swimming in the river a daily routine.
翻译：他已经把在河里游泳作为日常例行公事。