Lesson 7-The rivals I. Word study 6. heighten Synonyms v, a. to make higher b, to intensify intens Collocations: Increase 逐渐变化的脸孔(如 her heightened color因感情的变化所致) reinforce heighten one' s anger使更愤怒 a heighten the flavor 使味道更浓 a heighten the tension 使气氛更紧张 a height the awareness of environmental protection 提高环保意识 heighten ones admiration for somebody 对某人倾墓有加 WIBTILE BACW B T L E Lesson 7—The Rivals 6. heighten v. a. to make higher b. to intensify Collocations: her heightened color heighten one’s anger heighten the flavor heighten the tension height the awareness of environmental protection heighten one’s admiration for somebody 逐渐变化的脸孔（如 因感情的变化所致） 使更愤怒 使味道更浓 使气氛更紧张 提高环保意识 对某人倾慕有加 intensify increase reinforce I. Word Study Synonyms