extensively
adv. 广阔地；广泛地；巨大地
例句
All these issues have been extensively researched in recent years.
所有这些问题近年来都得到广泛地研究。
《柯林斯英汉双解大词典》
She has travelled extensively.
她游历甚广。
《牛津词典》
They collided on a tight bend and both cars were extensively damaged.
他们在一个急转弯处相撞，两辆车都严重受损。
