短语词组用作動詞 (v.)～+名詞heighten sb 's fears 使某人更加恐懼heighten the effect 提高傚率heighten one 's speed 加快速度heighten the value of a painting 提高一幅畫的價值～+副詞heighten further 進一步加強heighten quickly 迅速增高heighten slowly 慢慢增高短語 返回 heightens