“less+形容词或副词”构成劣等比较，作“较不…”，“更不…”解。1. It is less cold than it was yesterday. 天气不如昨天那样冷。2. When a cup of water is heated from below the water at the bottom becomes less dense and rises. 当由下加热一杯水时，底部的水由于密度变小而上升。（未按原文结构译） 3. He studies English less hard than before. 他学英语不如以前那样努力。所以根据这个用法应该填 less long 为好 T...
