adj.冗长的；漫长的
He read the lengthy report without a skip. 他从头至尾读了那份冗长的报告。
His lengthy speeches always bore me to death. 他冗长的讲话令我厌烦。
This lengthy lunch can last up to four hours! 这顿漫长的午餐可以持续到四个小时之久呢！
